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
Increment a number, given its digits
Project Euler: Problem 5, Smallest multiple
Whether the input is vector?
Number of digits in an integer
02 - Vector Variables 1
Let's get back to school: create mixed numbered fraction
Find supported functions
Create a v-notch vector without "sort" function
Create a matrix with difference of each row of input matrix
User defined nextpow function
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