narray

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Random access file format compatible with NArray?

2

Perl PDL have bindings to the FITs format so you can random access data matrices from disk. Do NArray support anything similar? [Edit] OK, so I found some examples (http://narray.rubyforge.org/demo/image.html.en)...

maasha

mul! behaves different to *=

1

It seems `#mul!` and `#*=` behave different when using ranges. `#*=` correctly modifies the original array, `#mul!` does not. Is this desired? (if yes -- it is not mentioned in...

cptjazz

Histogram function

1

I think it would be nice to have a histogram function for NArray. Let's say you have an NArray of integer values: ``` a = NArray.to_na([1,1,1,1,2,2,2,2,2,3,3,3,4]) ``` You would like...

dicom

Array#to_na

1

Let's say we have a Ruby Array of numbers that we would like to convert to an NArray: ``` a = [1, 2, 3, 4, 5] ``` Currently, it is...

dicom

Hi, I am the main author of the shogun machine learning toolbox (http://www.shogun-toolbox.org) and we have a ruby interface that utilizes narray. Problem is that I would need some kind...

sonney2k

http://rubyforge.org/tracker/?func=detail&atid=4625&aid=29408&group_id=1177

masa16

Here's what I try (in an irb console): ``` ruby-1.9.2-p290 :001 > NArray.int(100,100,100).size => 1000000 # OK ruby-1.9.2-p290 :002 > NArray.int(100,100,100,100).size => 100000000 # OK ruby-1.9.2-p290 :003 > NArray.int(100,100,100,100,100).size =>...

dim

making v0.9

masa16