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Scientific Computing with Pharo

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Following: https://www.theserverside.com/feature/Why-GitHub-renamed-its-master-branch-to-main

Priority: Medium
Status: Available
Type: Maintenance

Serge asked me if he could add my implementation of the SplitMix64 RNG. here it is! My original file is located at: https://github.com/bstjean/SmalltalkStuff/tree/master/SplitMix64 Here's the file [SplitMix64_fileout.zip](https://github.com/PolyMathOrg/PolyMath/files/3775498/SplitMix64_fileout.zip) out attached.

Priority: Low
Status: Available
Type: Enhancement

By far the hardest to understand section of the `Math-Random` package is the `PMMersenneTwisterRandomGenerator` class's `nextInteger` method - it is a little long. The proposal here is to break it...

Priority: Medium
Status: Available
Type: Maintenance

@nicolas-cellier-aka-nice why do we need a separate class only for sin, cos and pi for arbitrary precision float``PMArbitraryPrecisionFloatForTrigonometry``? I think we can merge with ``PMArbitraryPrecisionFloat`` to avoid confusion.

Priority: Low
Status: Available
Type: Question

Subtracting a matrix with n rows from a matrix with

Priority: Low
Status: Available

I am not sure about this. At the moment, `isComplexNumber` means _"is this an instance of PMComplexNumber?"_ and `isRealNumber` means _"is this an instance on Number which is not an...

Some pages of the Wiki are obsolete. Someone need to have a look and refactor&clean the code a little bit: https://github.com/PolyMathOrg/PolyMath/wiki

Priority: Low
Status: Available
Type: Enhancement

On the squeak dev mailing list, Nicolas Cellier posted some code with remarks about losing precision and a fix. Check if this is also the case in Pharo, and if...

Priority: Low
Status: Available
Type: Bug

The Nelder–Mead method (also downhill simplex method, amoeba method, or polytope method) is a commonly applied numerical method used to find the minimum or maximum of an objective function in...

Priority: Medium
Status: Available
Type: Enhancement

PolyMath should load DF : https://github.com/PolyMathOrg/DataFrame

Priority: Medium
Status: Available
Type: Maintenance