pteqr
- void pteqr(char compz, f_int n, f_float* d, f_float* e, f_float* z, f_int ldz, f_float* work, f_int info)
- void pteqr(char compz, f_int n, f_double* d, f_double* e, f_double* z, f_int ldz, f_double* work, f_int info)
- void pteqr(char compz, f_int n, f_float* d, f_float* e, f_cfloat* z, f_int ldz, f_float* work, f_int info)
- void pteqr(char compz, f_int n, f_double* d, f_double* e, f_cdouble* z, f_int ldz, f_double* work, f_int info)
Computes all eigenvalues and eigenvectors of a real symmetric positive definite tridiagonal matrix, by computing the SVD of its bidiagonal Cholesky factor.