Re: st: How to solve the matrix equation AX = B for X without using Mata From: Tirthankar Chakravarty <tirthankar.chakravarty@gmail.com> Prev by Date: Re: st: Plotting portfolios over time Next by Date: RE: st: Small standard errors of the parameters in logit models Previous by thr...
Linear System with Sparse Matrix Solve a simple system of linear equations using sparse matrices. Consider the matrix equationA*x = B. A = sparse([0 2 0 1 0; 4 -1 -1 0 0; 0 0 0 3 -6; -2 0 0 0 2; 0 0 4 2 0]); B = sparse([8; -1; -18; 8; 20]); x = A\...
Solve the matrix equation 2X+A=B for X if A=[−1−52897] and B=[−316−2−13]. Matrix Subtraction and Scalar Multiplication of a Matrix: The matrix subtraction is computed by subtracting every element in corresponding places ...
Linear System with Sparse Matrix Copy Code Copy Command Solve a simple system of linear equations using sparse matrices. Consider the matrix equation A*x = B. Get A = sparse([0 2 0 1 0; 4 -1 -1 0 0; 0 0 0 3 -6; -2 0 0 0 2; 0 0 4 2 0]); B = sparse([8; -...
Linear System with Sparse Matrix Copy Code Copy Command Solve a simple system of linear equations using sparse matrices. Consider the matrix equation A*x = B. Get A = sparse([0 2 0 1 0; 4 -1 -1 0 0; 0 0 0 3 -6; -2 0 0 0 2; 0 0 4 2 0]); B = sparse([8; -...
Solution, returned as a vector, full matrix, or sparse matrix. IfAis anm-by-nmatrix andBis ap-by-nmatrix, thenxis ap-by-mmatrix. xis sparse only if bothAandBare sparse matrices. Tips The operators/and\are related to each other by the equationB/A = (A'\B')'. ...
Solve the matrix equation: {eq}\begin{pmatrix} 4 & -7 \\ 1 & 8 \end{pmatrix} -x = \begin{pmatrix} -9 & 4 \\ -1 & 5 \end{pmatrix} {/eq} Matrix Addition: The sum of the two matrices is the addition of a matrix, where each elem...
Linear System with Sparse Matrix Solve a simple system of linear equations using sparse matrices. Consider the matrix equationA*x = B. A = sparse([0 2 0 1 0; 4 -1 -1 0 0; 0 0 0 3 -6; -2 0 0 0 2; 0 0 4 2 0]); B = sparse([8; -1; -18; 8; 20]); x = A\...
Linear System with Sparse Matrix Solve a simple system of linear equations using sparse matrices. Consider the matrix equationA*x = B. A = sparse([0 2 0 1 0; 4 -1 -1 0 0; 0 0 0 3 -6; -2 0 0 0 2; 0 0 4 2 0]); B = sparse([8; -1; -18; 8; 20]); x = A\...
百度试题 结果1 题目 If A has an inverse, how would you solve the matrix equation AX=B? 相关知识点: 试题来源: 解析 Find A^(-1) and multiply both sides (from the left):A^(-1)(AX)=A^(-1)BX=A^(-1)B