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
Solve the Sudoku Row
First non-zero element in each column
Who knows the last digit of pi?
03 - Matrix Variables 1
Matrix multiplication across rows
Let's get back to school: create mixed numbered fraction
Back to basics - array operations
Create a v-notch vector without "sort" function
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