Constant Strain Triangle

Calculates the area and deformation matrix (B) of constant strain triangle in finite element analysis

This function finds the area and deformation matrix (B) of constant strain triangle in finite element analysis:
function [A B]=cst(V)
Input:
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V: (3*2) Vertices coordinate matrix. The rows represent each node and columns x-coordinate and y-coordinate.
Output:
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A: Area
B: Deformation Matrix