Given an integer n ≥ 0, generate the ( n+1) × ( n+1) lower triangular Pascal's Matrix.
Examples:
pascalMat(0)
ans =
1 pascalMat(1)
ans =
1 0
1 1 pascalMat(2)
ans =
1 0 0
1 1 0
1 2 1Neither string operations nor interpolations are allowed!
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