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@@ -149,7 +149,7 @@ $$
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\frac{\partial}{\partial x}\left(A^{-1}\right)=-A^{-1}\frac{\partial A}{\partial x}A^{-1}
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\frac{\partial}{\partial x}\left(A^{-1}\right)=-A^{-1}\frac{\partial A}{\partial x}A^{-1}
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$$
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$$
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参考资料<br>
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参考资料<br>
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-Petersen, K. B., & Pedersen, M. S. *The Matrix Cookbook*.<br>
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+Petersen, K. B. & Pedersen, M. S. *The Matrix Cookbook*.<br>
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Bishop, C. M. (2006). *Pattern Recognition and Machine Learning*. Springer.
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Bishop, C. M. (2006). *Pattern Recognition and Machine Learning*. Springer.
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Sm1les