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Inverse of AB,A^(A的转置) Product of elimination matrices A=LU (no row exchanges) Inverse of AB,A^(A的转置): Product of elimination matrices A=LU (no row ex 阅读全文
posted @ 2016-10-27 16:54
nanocare
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Matrix multiplication(4 ways!) Inverse of A Gauss-Jordan / find inverse of A Matrix multiplication 1、点积法 2、matrix * column=comb of columns columns of 阅读全文
posted @ 2016-10-27 12:32
nanocare
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Lecture2 Elimination Inverses Permutation 消元法介绍(elimination): 有方程组 提取系数,形成矩阵为: 消元的思想跟解方程组中先消除未知数的思路一致,通过数乘(multiply)和减法(substract)化简,化简过程为: 以上红框起来的数字叫 阅读全文
posted @ 2016-10-27 11:16
nanocare
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