Posts Tagged ‘ matlab ’

When 1 * x != x

January 16, 2011
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When 1 * x != x

Trying to dimly recall things from my maths degree, it seems that in most contexts the whole point of the number one is that it is a multiplicative identity. That is, for any x in your set, 1 * x is equal to x. It turns out that when you move to floating point numbers,

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Julien on R shortcomings

September 8, 2010
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Julien on R shortcomings

Julien Cornebise posted a rather detailed set of comments (from Jasper!) that I thought was interesting and thought-provoking enough (!) to promote to a guest post. Here it is , then, to keep the debate rolling (with my only censoring being the removal of smileys!). (Please keep in mind that I do not endorse everything

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Where is all the Open Source computer algebra software?

July 4, 2007
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Where is all the Open Source computer algebra software?

For a long time I have been puzzled by the apparent lack of a comprehensive Open Source computer algebra software, i.e. what Octave is to MatLab and what R is to S. In other words, where is the Open Source … Continue reading →

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