Return the number of figures that exist at any given time.
Given two strings, find the maximum overlap
Given a 4x4 matrix, swap the two middle columns
07 - Common functions and indexing 3
Matrix multiplication across rows
Back to Basics - New Data Type in R2016b - convert a char to a string
Find mistyped words in text (mixed-up letters)
Extra safe primes
Create an 8-color version of an image
Check if a directory is on the current MATLAB search path
Change a specific color in an image
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