Given an odd number n, write a function that creates a matrix y with dimension nxn alternating 1's and 0's, and starting with 1 in the center of the matrix. For example, for n=3 one should get:
y = [0 0 0 ; 0 1 0; 0 0 0]
Column norms of a matrix
Matrix with different incremental runs
Basics: 'Find the eigenvalues of given matrix
multiply by three
Say type of roots in quadratic equation
Get the value 100
Sum of a geometric series
Check if is a square
Approximate the inverse tangent by power series
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