Polynomials.jl
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JuliaMath
Limits of `Polynomials.PolyCompat`?
In the past (i.e., some months ago), functions polyfit, polyval, etc. worked. I have the impression that polyfit has been replaced by fit, and that polyval has been eliminated.
I have tried to use commands:
using Polynomials
Polynomials.PolyCompat
in the hope that this would make my old code work, but I get error messages.
Should this work?
Yes, but I think you are missing a "using Polynomials.PolyCompat" (the using isn't in your message). If it fails after that, please do show an example as the goal was to support the legacy code just by adding that one "using" command.
Ah. OK…
Question: the new fit function doesn’t allow for a variable symbol as argument, right? I.e.
fit(x,y,3,:s)
doesn’t work. Right?
Is the trick to do:
fit(x,y,3) |> coeffs |> x -> Polynomial(x,:s)
?
-B
From: john verzani [email protected]
Sent: Wednesday, July 29, 2020 18:50
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
Yes, but I think you are missing a "using Polynomials.PolyCompat" (the using isn't in your message). If it fails after that, please do show an example as the goal was to support the legacy code just by adding that one "using" command.
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Great! Thanks!
And polyval has been removed in the new system?
-B
From: john verzani [email protected]
Sent: Wednesday, July 29, 2020 18:56
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
It is a keyword now. Try adding fit(x,y,3,var=:s).
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Yes, just do p(x) instead. (There is a non exported evalpoly that might be useful for broadcasting purposes).
Great! Thanks – and sorry for dropping out after early April 2020 – I’ve been busy. I’ll try to play with Polynomials.jl in the near future. (I had some questions in March/April about matrices of polynomials…)
BR, Bernt
From: john verzani [email protected]
Sent: Wednesday, July 29, 2020 18:59
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
Yes, just do p(x) instead. (There is a non exported evalpoly that might be useful for broadcasting purposes).
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Any feedback when you get a chance would be great. If you are interested, I have a PR that looked at allowing matrices as coefficients. It proves mostly successful when the size of the matrix is in the type information (e.g. SArrays) and less so when not. Anyways, I never merged it, as I didn't get any feedback on it and there are a few needed workarounds I recall being more hacky than I would prefer.
I’ll get back to some of the work I did in the early Lockdown period. I.e., I’ll look at it throughout the fall semester.
-B
From: john verzani [email protected]
Sent: Wednesday, July 29, 2020 19:19
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
Any feedback when you get a chance would be great. If you are interested, I have a PR that looked at allowing matrices as coefficients. It proves mostly successful when the size of the matrix is in the type information (e.g. SArrays) and less so when not. Anyways, I never merged it, as I didn't get any feedback on it and there are a few needed workarounds I recall being more hacky than I would prefer.
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I occasionally get a mysterious error message when running fit:
[cid:[email protected]]
The weird thing is that if I run it a second (or third, …) time, the error message disappears, and it works.
Have you seen such a thing before? NOTE: I run the code in Jupyterlab, and I’m not sure how solid Jupyterlab is… (I’ve seen other cases where code doesn’t work properly in Jupyterlab, while it works in Juno or VScode.)
-Bernt
From: john verzani [email protected]
Sent: Wednesday, July 29, 2020 19:19
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
Any feedback when you get a chance would be great. If you are interested, I have a PR that looked at allowing matrices as coefficients. It proves mostly successful when the size of the matrix is in the type information (e.g. SArrays) and less so when not. Anyways, I never merged it, as I didn't get any feedback on it and there are a few needed workarounds I recall being more hacky than I would prefer.
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Hm… I moved the code over to VScode, and I get the same error message there.
If you are interested in checking it out, see attached Jupyter notebook + 2 CSV files of data. NOTE: you need to change two paths in cell 2.
-B
From: Bernt Lie [email protected]
Sent: Thursday, July 30, 2020 10:56
To: JuliaMath/Polynomials.jl [email protected]; JuliaMath/Polynomials.jl [email protected]
Cc: Author [email protected]
Subject: RE: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
I occasionally get a mysterious error message when running fit:
[cid:[email protected]]
The weird thing is that if I run it a second (or third, …) time, the error message disappears, and the code works.
Have you seen such a thing before? NOTE: I run the code in Jupyterlab, and I’m not sure how solid Jupyterlab is… (I’ve seen other cases where code doesn’t work properly in Jupyterlab, while it works in Juno or VScode.)
-Bernt
From: john verzani <[email protected]mailto:[email protected]>
Sent: Wednesday, July 29, 2020 19:19
To: JuliaMath/Polynomials.jl <[email protected]mailto:[email protected]>
Cc: B-LIE <[email protected]mailto:[email protected]>; Author <[email protected]mailto:[email protected]>
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
Any feedback when you get a chance would be great. If you are interested, I have a PR that looked at allowing matrices as coefficients. It proves mostly successful when the size of the matrix is in the type information (e.g. SArrays) and less so when not. Anyways, I never merged it, as I didn't get any feedback on it and there are a few needed workarounds I recall being more hacky than I would prefer.
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I can't find the data. There was recently a different, but perhaps related issue where the user identified a graphing package (pyplot) as causing a conflict. To be honest, I can't see the connection, but... Anyways, I'll have a look if I can figure out where the numbers are.
File WatetSaturated.csv. You need to put it in a directory corresponding to the path in cell 2.
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From: john verzani [email protected]
Sent: Thursday, July 30, 2020 12:52:10 PM
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
I can't find the data. There was recently a different, but perhaps related issue where the user identified a graphing package (pyplot) as causing a conflict. To be honest, I can't see the connection, but... Anyways, I'll have a look if I can figure out where the numbers are.
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Hm... Did you get the Jupiter notebook? I attached both the Jupyter notebook + 2 csv-files in the same e-mail. Maybe the system strips off attachments?
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From: john verzani [email protected]
Sent: Thursday, July 30, 2020 1:28:20 PM
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
Where do I find the file? Does it get attached to this issue somehow?
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I think it strips it off. Try sending to jverzani at gmail
On Thu, Jul 30, 2020 at 7:31 AM B-LIE [email protected] wrote:
Hm... Did you get the Jupiter notebook? I attached both the Jupyter notebook + 2 csv-files in the same e-mail. Maybe the system strips off attachments?
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From: john verzani [email protected] Sent: Thursday, July 30, 2020 1:28:20 PM To: JuliaMath/Polynomials.jl [email protected] Cc: B-LIE [email protected]; Author [email protected] Subject: Re: [JuliaMath/Polynomials.jl] Limits of
Polynomials.PolyCompat? (#247)Where do I find the file? Does it get attached to this issue somehow?
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— You are receiving this because you commented. Reply to this email directly, view it on GitHub https://github.com/JuliaMath/Polynomials.jl/issues/247#issuecomment-666310787, or unsubscribe https://github.com/notifications/unsubscribe-auth/AADG6TCM4GS7DQVK64SNFTLR6FKXLANCNFSM4PLYPZ4Q .
-- John Verzani Department of Mathematics College of Staten Island, CUNY [email protected]
Hm... The Jupyter notebook I sent you works on my laptop (where I have installed Julia v. 1.4.0). The problem appears on my work desktop (with Julia v. 1.4.2).
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 13:57
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
I think it strips it off. Try sending to jverzani at gmail
On Thu, Jul 30, 2020 at 7:31 AM B-LIE <[email protected]mailto:[email protected]> wrote:
Hm... Did you get the Jupiter notebook? I attached both the Jupyter notebook + 2 csv-files in the same e-mail. Maybe the system strips off attachments?
Get Outlook for Androidhttps://aka.ms/ghei36
From: john verzani <[email protected]mailto:[email protected]> Sent: Thursday, July 30, 2020 1:28:20 PM To: JuliaMath/Polynomials.jl <[email protected]mailto:[email protected]> Cc: B-LIE <[email protected]mailto:[email protected]>; Author <[email protected]mailto:[email protected]> Subject: Re: [JuliaMath/Polynomials.jl] Limits of
Polynomials.PolyCompat? (#247)Where do I find the file? Does it get attached to this issue somehow?
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-- John Verzani Department of Mathematics College of Staten Island, CUNY [email protected]mailto:[email protected]
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That worked, but unfortunately I can't replicate the issue. fit(x,y,3) basically does this:
A = vander(Polynomial, a, 3)
pinv(A) * y
It could also be A \ y. I was expecting A to be poorly conditioned, but it doesn't appear to be.
If you bump into the error again, could you try this directly and see if the same error occurs?
OK – I’ll test it.
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 14:20
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
That worked, but unfortunately I can't replicate the issue. fit(x,y,3) basically does this:
A = vander(Polynomial, a, 3)
pinv(A) * y
It could also be A \ y. I was expecting A to be poorly conditioned, but it doesn't appear to be.
If you bump into the error again, could you try this directly and see if the same error occurs?
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Hm... it is a little unclear to me how vander works:
[cid:[email protected]]
[minor typo: “psuedo” should be “pseudo”]
What is Polynomial? Should it be Polynomial (verbatim), or the name of a polynomial? I haven’t created a polynomial yet. And what is a? Is it the input, i.e., x?
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 14:20
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
That worked, but unfortunately I can't replicate the issue. fit(x,y,3) basically does this:
A = vander(Polynomial, a, 3)
pinv(A) * y
It could also be A \ y. I was expecting A to be poorly conditioned, but it doesn't appear to be.
If you bump into the error again, could you try this directly and see if the same error occurs?
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666330573&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960989984&sdata=DQD24uGnf1Ex3wXQMcWE2qUWz6dF7V%2FJrrqKod2D0Xg%3D&reserved=0, or unsubscribehttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75DFAILNSB6HZSCB4LR6FQOVANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960999980&sdata=9U9F1HHwh4EgS39cKGt9ou10swFZysTjkaQQO1giWxE%3D&reserved=0.
OK – figured it out. [cid:[email protected]]
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 14:20
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
That worked, but unfortunately I can't replicate the issue. fit(x,y,3) basically does this:
A = vander(Polynomial, a, 3)
pinv(A) * y
It could also be A \ y. I was expecting A to be poorly conditioned, but it doesn't appear to be.
If you bump into the error again, could you try this directly and see if the same error occurs?
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666330573&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960989984&sdata=DQD24uGnf1Ex3wXQMcWE2qUWz6dF7V%2FJrrqKod2D0Xg%3D&reserved=0, or unsubscribehttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75DFAILNSB6HZSCB4LR6FQOVANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960999980&sdata=9U9F1HHwh4EgS39cKGt9ou10swFZysTjkaQQO1giWxE%3D&reserved=0.
OK – as I mentioned, there is no problem on my laptop (Julia v. 1.4.0). However, on my desktop (Julia v. 1.4.2) there is a problem with statement:
Julia> k_pol = fit(Tw_s,k_Lw/k_Lw0,2;var=Symbol("(ΔT₀/T₀)"))
When I run it the first time, I get an error message related to LAPACKException(2) or LAPACKException(4)
If I rerun the same cell, the error message disappears. If I run it again, it returns, etc.
It is somewhat mysterious that there is a difference in behavior on my desktop and on my laptop. This may have to do with (i) Julia version number, (ii) Polynomials version number, (iii) Plots version number, (iv) PyPlot version number, (v) hardware configuration, etc. I doubt that the problem is related to IJulia and JupyterLab, simply because the same problem appears when I run the code in VScode.
--
I have tried the following:
-
If I replace the PyPlot backend of Plots with GR, then the problem *disappears*!! So there appears to be a problem with the PyPlot backend. -
If I replace “fit” with “Polynomials.fit”, this has no effect. In other words: the problem is not due to a namespace conflict with PyPlot or JupyterLab.
This seems to reduce the cause to something related to PyPlot-Plots-hardware configuration.
--
NOTE: I also tested this on my old desktop, with Julia v. 1.4.0. Both the old desktop and the new desktop use the same version no. of packages Polynomials, Plots, PyPlot, and IJulia. On the old desktop, (Julia v. 1.4.0), the code works. On the new desktop (Julia v. 1.4.2), the code fails sometimes. I’ll upgrade the old desktop to Julia v. 1.4.2…
So – why don’t I just switch from using PyPlot to using GR? Because PyPlot has much better support for LaTeX symbols (although not perfect!!). The current support for LaTeX in the GR backend of Plots is really, really lacking.
Fortunately, at JuliaCon 2020 yesterday, the people behind GR presented a vastly improved support for LaTeX. I do, however, suspect that it will take some time before they have upgraded the GR backend to Plots…
Thanks for help!
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 14:20
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
That worked, but unfortunately I can't replicate the issue. fit(x,y,3) basically does this:
A = vander(Polynomial, a, 3)
pinv(A) * y
It could also be A \ y. I was expecting A to be poorly conditioned, but it doesn't appear to be.
If you bump into the error again, could you try this directly and see if the same error occurs?
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666330573&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960989984&sdata=DQD24uGnf1Ex3wXQMcWE2qUWz6dF7V%2FJrrqKod2D0Xg%3D&reserved=0, or unsubscribehttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75DFAILNSB6HZSCB4LR6FQOVANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960999980&sdata=9U9F1HHwh4EgS39cKGt9ou10swFZysTjkaQQO1giWxE%3D&reserved=0.
OK – I have updated my old desktop to Julia 1.4.2, and run exactly the same versions of Polynomials, Plots, PyPlot, and IJulia on the old and new desktops. On my old desktop, things work. On my new desktop, errors occur.
Hm… mysterious. Maybe some other packages are different.
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 14:20
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
That worked, but unfortunately I can't replicate the issue. fit(x,y,3) basically does this:
A = vander(Polynomial, a, 3)
pinv(A) * y
It could also be A \ y. I was expecting A to be poorly conditioned, but it doesn't appear to be.
If you bump into the error again, could you try this directly and see if the same error occurs?
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666330573&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960989984&sdata=DQD24uGnf1Ex3wXQMcWE2qUWz6dF7V%2FJrrqKod2D0Xg%3D&reserved=0, or unsubscribehttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75DFAILNSB6HZSCB4LR6FQOVANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C6d9a089726bf4d14c1cb08d83482de98%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317083960999980&sdata=9U9F1HHwh4EgS39cKGt9ou10swFZysTjkaQQO1giWxE%3D&reserved=0.
The other user said their similar issue was solved by installing MKL.jl. My suspicion is not that fit is different, but perhaps there is some oddity in what pinv calls. If I knew that, we could replace that call with the \ approach. Anyways, sorry about all the detective work.
I’m trying to install one-by-one additional packages on my old desktop that were lacking in the new one. I’ll report when I have tested the remaining 4 packages on the old desktop.
Installing MKL.jl – is that available in the repository? If I install it, do I have to do any other changes? (NOTE: I don’t have MKL.jl installed on the PCs where things work…)
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 16:39
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
The other user said their similar issue was solved by installing MKL.jl. My suspicion is not that fit is different, but perhaps there is some oddity in what pinv calls. If I knew that, we could replace that call with the \ approach. Anyways, sorry about all the detective work.
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666406856&data=02%7C01%7C%7C29baa7e854f047d8a75808d83496439e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317167261602619&sdata=lJcJgLxzgG1VxZKiTIWGjQmqHMlBXfPBwl8exybnevw%3D&reserved=0, or unsubscribehttps://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM7ZAMB45UMGSTWX5YFLR6GAXLANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C29baa7e854f047d8a75808d83496439e%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317167261612620&sdata=yNQN8WbLi0LpZfrZkSIqsYYEhlP7jZLNafd12TALNdM%3D&reserved=0.
I don't know about MKL, but that is a poor solution. Better to see where the root cause is.
Hm. I installed MKL.jl. After that, both Jupyterlab and VScode crashed at the first instance of calling fit(). So I’ll remove it again.
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 17:23
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
I don't know about MKL, but that is a poor solution. Better to see where the root cause is.
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666450834&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=JFAqop9E80njqyUDKYN8JDJ1uYn00PqcyMagBKPho5c%3D&reserved=0, or unsubscribehttps://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75NMII5HGMIY2A3UNTR6GF4RANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=n%2FoCvTbrCvdahs4Sn4j1i0zh%2B8mB45%2B02Rn1OMq%2Bb%2FY%3D&reserved=0.
OK – due to the problem with MKL, I ended up uninstalling Julia completely as well as Python/miniconda, and reinstalling everything from scratch.
Unfortunately, the problem of “fit” persists.
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 17:23
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
I don't know about MKL, but that is a poor solution. Better to see where the root cause is.
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666450834&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=JFAqop9E80njqyUDKYN8JDJ1uYn00PqcyMagBKPho5c%3D&reserved=0, or unsubscribehttps://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75NMII5HGMIY2A3UNTR6GF4RANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=n%2FoCvTbrCvdahs4Sn4j1i0zh%2B8mB45%2B02Rn1OMq%2Bb%2FY%3D&reserved=0.
If instead of fit(Polynomial, x, y, d) you use the backslash, as with:
A = vander(Polynomial, x, d)
Polynomial(A \ y; var=:s)
Do you have the same issue? (My suspicions center around pinv, but that
is only a hunch.)
On Thu, Jul 30, 2020 at 11:59 AM B-LIE [email protected] wrote:
OK – due to the problem with MKL, I ended up uninstalling Julia completely as well as Python/miniconda, and reinstalling everything from scratch.
Unfortunately, the problem of “fit” persists.
-B
From: john verzani [email protected] Sent: Thursday, July 30, 2020 17:23 To: JuliaMath/Polynomials.jl [email protected] Cc: B-LIE [email protected]; Author [email protected] Subject: Re: [JuliaMath/Polynomials.jl] Limits of
Polynomials.PolyCompat? (#247)I don't know about MKL, but that is a poor solution. Better to see where the root cause is.
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub< https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666450834&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=JFAqop9E80njqyUDKYN8JDJ1uYn00PqcyMagBKPho5c%3D&reserved=0>, or unsubscribe< https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75NMII5HGMIY2A3UNTR6GF4RANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=n%2FoCvTbrCvdahs4Sn4j1i0zh%2B8mB45%2B02Rn1OMq%2Bb%2FY%3D&reserved=0>.
— You are receiving this because you commented. Reply to this email directly, view it on GitHub https://github.com/JuliaMath/Polynomials.jl/issues/247#issuecomment-666486230, or unsubscribe https://github.com/notifications/unsubscribe-auth/AADG6TCXXPQE3J4IM6GMK7LR6GKFHANCNFSM4PLYPZ4Q .
-- John Verzani Department of Mathematics College of Staten Island, CUNY [email protected]
I’ll take a look tomorrow – I just went home for supper :-o. So I’ll write my own fit_test function using backslash instead of pinv :-).
-B
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 18:16
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
If instead of fit(Polynomial, x, y, d) you use the backslash, as with:
A = vander(Polynomial, x, d)
Polynomial(A \ y; var=:s)
Do you have the same issue? (My suspicions center around pinv, but that
is only a hunch.)
On Thu, Jul 30, 2020 at 11:59 AM B-LIE <[email protected]mailto:[email protected]> wrote:
OK – due to the problem with MKL, I ended up uninstalling Julia completely as well as Python/miniconda, and reinstalling everything from scratch.
Unfortunately, the problem of “fit” persists.
-B
From: john verzani <[email protected]mailto:[email protected]> Sent: Thursday, July 30, 2020 17:23 To: JuliaMath/Polynomials.jl <[email protected]mailto:[email protected]> Cc: B-LIE <[email protected]mailto:[email protected]>; Author <[email protected]mailto:[email protected]> Subject: Re: [JuliaMath/Polynomials.jl] Limits of
Polynomials.PolyCompat? (#247)I don't know about MKL, but that is a poor solution. Better to see where the root cause is.
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub< https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666450834&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=JFAqop9E80njqyUDKYN8JDJ1uYn00PqcyMagBKPho5c%3D&reserved=0>, or unsubscribe< https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75NMII5HGMIY2A3UNTR6GF4RANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C62d04762d4ec492ec9f408d8349c6b18%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317193694114338&sdata=n%2FoCvTbrCvdahs4Sn4j1i0zh%2B8mB45%2B02Rn1OMq%2Bb%2FY%3D&reserved=0>.
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-- John Verzani Department of Mathematics College of Staten Island, CUNY [email protected]mailto:[email protected]
— You are receiving this because you authored the thread. Reply to this email directly, view it on GitHubhttps://eur04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FJuliaMath%2FPolynomials.jl%2Fissues%2F247%23issuecomment-666499458&data=02%7C01%7C%7C06085db82a9c4ffc6b1c08d834a3d93f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317225604690244&sdata=wd6SdXf6JX5djc6gn33zAQfmF25GQoCaeI5kMFcRGBg%3D&reserved=0, or unsubscribehttps://eur04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAM5VM75LX6X4SV6NEHVTFMTR6GMD7ANCNFSM4PLYPZ4Q&data=02%7C01%7C%7C06085db82a9c4ffc6b1c08d834a3d93f%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637317225604690244&sdata=TcdCBCVerV%2BJBIKJPh3BU7oZbtP3BLMzhR3wNZok9p0%3D&reserved=0.
OK – some more testing – this is scary:
[cid:[email protected]]
-Bernt
From: john verzani [email protected]
Sent: Thursday, July 30, 2020 18:16
To: JuliaMath/Polynomials.jl [email protected]
Cc: B-LIE [email protected]; Author [email protected]
Subject: Re: [JuliaMath/Polynomials.jl] Limits of Polynomials.PolyCompat? (#247)
If instead of fit(Polynomial, x, y, d) you use the backslash, as with:
A = vander(Polynomial, x, d)
Polynomial(A \ y; var=:s)
Do you have the same issue? (My suspicions center around pinv, but that
is only a hunch.)
On Thu, Jul 30, 2020 at 11:59 AM B-LIE <[email protected]mailto:[email protected]> wrote:
OK – due to the problem with MKL, I ended up uninstalling Julia completely as well as Python/miniconda, and reinstalling everything from scratch.
Unfortunately, the problem of “fit” persists.
-B
From: john verzani <[email protected]mailto:[email protected]> Sent: Thursday, July 30, 2020 17:23 To: JuliaMath/Polynomials.jl <[email protected]mailto:[email protected]> Cc: B-LIE <[email protected]mailto:[email protected]>; Author <[email protected]mailto:[email protected]> Subject: Re: [JuliaMath/Polynomials.jl] Limits of
Polynomials.PolyCompat? (#247)I don't know about MKL, but that is a poor solution. Better to see where the root cause is.
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-- John Verzani Department of Mathematics College of Staten Island, CUNY [email protected]mailto:[email protected]
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