de exemplos de matrizes simétricas?
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Matriz simétrica é toda matriz quadrada igual a sua transpostas.
A=A ^{t}
![A = \left[\begin{array}{cc}5&0&\\0&1& \end{array}\right] \\ 2)B= \left[\begin{array}{ccc}4&1&3\\1&5&0\\3&0&6\end{array}\right]](https://tex.z-dn.net/?f=A+%3D+++%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D5%26amp%3B0%26amp%3B%5C%5C0%26amp%3B1%26amp%3B+%5Cend%7Barray%7D%5Cright%5D++%5C%5C+2%29B%3D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D4%26amp%3B1%26amp%3B3%5C%5C1%26amp%3B5%26amp%3B0%5C%5C3%26amp%3B0%26amp%3B6%5Cend%7Barray%7D%5Cright%5D+ "A = \left[\begin{array}{cc}5&0&\\0&1& \end{array}\right] \\ 2)B= \left[\begin{array}{ccc}4&1&3\\1&5&0\\3&0&6\end{array}\right]")
A=A ^{t}
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