For given input matrix a, rotate it by 90 degrees and find the sum of the diagonals.
1 2 3 4
5 6 7 8
8 10 12 -2
-1 -3 -5 -7
Angle between Two Vectors
Who invented zero?
Find the dimensions of a matrix
Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Check for keywords
Percentage of zeros in a matrix of only 1s and 0s
convert the number to binary format & count digits
Remove white spaces at the end of the input string
Basic matrix operations using standard MATLAB commands
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