doesn't it work only for square matrices? :P
Given a window, how many subsets of a vector sum positive
Given a 4x4 matrix, swap the two middle columns
Add two numbers
Sum the 'edge' values of a matrix
Convert ColorSpec string to RGB triplet
Create an 8-color version of an image
List of built-in demo images
Is this function available?
Find mistyped words in text (mixed-up letters)
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