Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).
How to find the position of an element in a vector without using the find function
Wrapping the Tower of Pisa
Create an n-by-n null matrix and fill with ones certain positions
Area of an equilateral triangle
Key Generation for Solitaire Cipher
Cell Source Index
Reference Index Number
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