Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).
Make a checkerboard matrix
Find the numeric mean of the prime numbers in a matrix.
Test if a Number is a Palindrome without using any String Operations
Area of a triangle
Vectors counting by 2
Create a patchwork matrix
Key Generation for Solitaire Cipher
Fair Scoring for Cody
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