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
Renaming a field in a structure array
Arrange vector in ascending order
Say something funny
Simple equation: Annual salary
Sum of diagonals elements of a matrix
Find and replaces spaces from a input string with *
Find offset of given matrix element from first matrix element
Let's get back to school, and create multiplication tables
Let's get back to school: create mixed numbered fraction
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