Parallel Computing in MATLAB

Posted on Dec 19, 2012 in Computer Science • Tagged with HPC, parallel, concurrency, programming, MATLAB

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  1. It is very easy to do parallel computing in MATLAB. Usually what you have to do is to change for to parfor for the loop that you …

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General Tips for R

Posted on Nov 05, 2012 in Computer Science • Tagged with tips, R, generic, programming, argument

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  1. Many R functions have lots of arguments which allows you get a full control of their behaviors, so before you ask whether there is any R function …


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Distributions in R

Posted on Nov 05, 2012 in Computer Science • Tagged with distribution, R, programming, statistics

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  1. The definition of geometric distribution in R is not the same as the common definition. A random variable of geometric distribution in R starts from zero, i …


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Random Number Generating in R

Posted on Nov 05, 2012 in Computer Science • Tagged with R, programming, RNG

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  1. Functions for sampling random numbers from distributions share a same "basic" random number generator (RNG). If one set a seed for the "basic" RNG in use, it …


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Some Links for R

Posted on Oct 20, 2013 in Programming • Tagged with links, programming, R, CRAN

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** Things under legendu.net/outdated are outdated technologies that the author does not plan to update any more. Please look for better alternatives. **


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Hide 3D Graph in Mathematica

Posted on Apr 07, 2021 in Computer Science • Tagged with image, mathematica, visualization, graphics, programming

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EdgeForm[] and Opacity[]