Calculate the mean of corner elements of a matrix.
e.g. a=[1 2 3;
4 5 6;
7 8 9;]
Mean = (1+3+7+9)/4 = 5
Back to basics 20 - singleton dimensions
Return the first and last character of a string
Flag largest magnitude swings as they occur
Generate a string like abbcccddddeeeee
Create matrix of replicated elements
Find offset of an element of a multi dimensional matrix
Find supported functions
Matrix rotation as per given angle
Create a matrix with difference of each row of input matrix
Create a v-notch vector without "sort" function
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