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→Description
==Description==
==Description==
*This function returns the matrix of order 3 with the property of signature matrix.
*This function returns the matrix of order 3 with the property of signature matrix.
*A signature matrix is a diagonal elements are <math>\pm</math>
*A signature matrix is a diagonal elements are <math>\pm 1</math>
*So signature matrix is of the form:
*So signature matrix is of the form:
<math>\begin{pmatrix}
<math>\begin{pmatrix}