- #1

**[MHB thread moved to the PF schoolwork forums by a PF Mentor]**

For every square matrix A, C=A(A^t)+(A^t)A is symmetric.

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- #1

For every square matrix A, C=A(A^t)+(A^t)A is symmetric.

Last edited by a moderator:

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- #2

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TheScienceAlliance said:For every square matrix A, C=A(A^t)+(A^t)A is symmetric.

Have you considered calculating the transpose of [itex]C[/itex], using the rules [tex]

\begin{split}

(A + B)^T &= A^T + B^T, \\

(AB)^T &= B^TA^T? \end{split}[/tex]

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