Description: void qr (double* a, double* d, int n) matrix QR decomposition assuming an* n array in memory stored in row order, this function uses HouseHolder transform the place for QR decomposition. d as the output parameter, d [0, n) storage QR decomposition of the diagonal elements of upper triangular matrices. bool householder (double const* qr, double const* d, double* b, int n) of linear algebraic equations. Suppose matrix qrn* n for a matrix of an* n of the QR decomposition, in memory stored in row order. d [0, n) for QR decomposition of the triangular matrix diagonal elements, b for the equations Ax = b of the right end of the vector. Function calculates the equations Ax = b of the solution, and the results stored in array b [0, n) in. Function successfully returns false, otherwise true.
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A_QR.c
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