Find out sum of principal diagonal element of given matrix
If A=[1 0 0;
0 1 0;0 0 1], then answer must be 3.
Make the vector [1 2 3 4 5 6 7 8 9 10]
Select every other element of a vector
Find the longest sequence of 1's in a binary sequence.
Project Euler: Problem 7, Nth prime
First non-zero element in each column
Count number of words in string
Find out rooms, peak to peak, average for a square wave.
Find 10's complement
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