If the entered string is a MATLAB keyword, return true else false
Calculate the area of a triangle between three points
Generate a vector like 1,2,2,3,3,3,4,4,4,4
sum of non-primes
Replace multiples of 5 with NaN
Sum of diagonals
Find NaNs in the matrix
Return median of a matrix
Percentage of zeros in a matrix of only 1s and 0s
surface areas of a cylinder
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