IF A is a skrew symetric matrix and n is an even positive integer the A POWER n is
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if n is odd, then A^n is skew symmetric . the determinant is zero.
if n is even, A^n is symmetric matrix. All the diagonal elements are positive or, all of the m are negative. The determinant is always positive. All non-diagonal elements are either negative or positive, but, opposite in sign as compared to the diagonal elements.
if n is even, A^n is symmetric matrix. All the diagonal elements are positive or, all of the m are negative. The determinant is always positive. All non-diagonal elements are either negative or positive, but, opposite in sign as compared to the diagonal elements.
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