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util
        dlegland edited this page Aug 24, 2015 
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    This package contains various usefull functions, such as angle conversion, system utilities, matrix manipulation... not specifically for image processing.
expand        - expand size of a matrix, repeating each coefficient
concat        - concatenate two arrays, with shift
ll            - equivalent of unix alias ll, or ls -lis
dividers      - compute dividers of an integer
anp           - compute arrangement number of p items in n
cnp           - compute combination number of p items in n
randomSubset  - randomly select K individuals from a set
getAllSubsets - return all possible subset of a parent set
cv            - Computes coefficient of variation
sem           - computes standard error of the mean
histo         - compute discrete histograms
barplot       - plot mean and mean variance of data
blue2red      - colormap showing a gradient from blue to green to red.