討論串[理工] 線代
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[ 5 3cos(7/6*pi) 3cos(14/6*pi) 3cos(21/6*pi) 3cos(28/6*pi) 3cos(35/6*pi)]. [3cos(7/6*pi) 5 3cos(7/6*pi) 3cos(14/6*pi) 3cos(21/6*pi) 3cos(28/6*pi) ]. [
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定理. n*n. A=F^. A * adj(A) = det(A)*I. ___________________________. step 1.. -1. A = adj( A ) det(A)*I. step 2 . find det(A). 針對定理再求一次 det. => det(A*ad
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1. Let W1 and W2 be subspace of R^n and let W3 = {z belongs to R^n: z = u + v. for some u belongs to W1, v belongs to W2}.. (a) Show that W3 is a subs
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---. 1.. let A_n denote the n by n matrix A. and let D(n) = det(A_n). then we can use the cofactor expansion of the matrix property. to get the recurr
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