sbtrd
- void sbtrd(char vect, char uplo, f_int n, f_int kd, f_float* ab, f_int ldab, f_float* d, f_float* e, f_float* q, f_int ldq, f_float* work, f_int info)
void
sbtrd
(,,,,,,,,,,,) - void sbtrd(char vect, char uplo, f_int n, f_int kd, f_double* ab, f_int ldab, f_double* d, f_double* e, f_double* q, f_int ldq, f_double* work, f_int info)
Reduces a symmetric band matrix to real symmetric tridiagonal form by an orthogonal similarity transformation.