Header for Matrix exponential (phi) methods. More...
#include "header.h"
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Functions | |
| int | phi2Ac_variable (const int, const double *, const double, double *) |
| Compute the 2nd order Phi (exponential) matrix function. More... | |
| int | phiAc_variable (const int, const double *, const double, double *) |
| Compute the first order Phi (exponential) matrix function. More... | |
| int | expAc_variable (const int, const double *, const double, double *) |
| Compute the zeroth order Phi (exponential) matrix function. This is the regular matrix exponential. More... | |
Detailed Description
Header for Matrix exponential (phi) methods.
Definition in file phiAHessenberg.h.
Function Documentation
◆ expAc_variable()
| int expAc_variable | ( | const int | m, |
| const double * | A, | ||
| const double | c, | ||
| double * | phiA | ||
| ) |
Compute the zeroth order Phi (exponential) matrix function. This is the regular matrix exponential.
Computes \(\phi_0(c*A)\)
- Parameters
-
[in] m The Hessenberg matrix size (mxm) [in] A The input Hessenberg matrix [in] c The scaling factor [out] phiA The resulting exponential matrix
Definition at line 140 of file phiAHessenberg.c.
◆ phi2Ac_variable()
| int phi2Ac_variable | ( | const int | m, |
| const double * | A, | ||
| const double | c, | ||
| double * | phiA | ||
| ) |
Compute the 2nd order Phi (exponential) matrix function.
Computes \(\phi_2(c*A)\)
- Parameters
-
[in] m The Hessenberg matrix size (mxm) [in] A The input Hessenberg matrix [in] c The scaling factor [out] phiA The resulting exponential matrix
Definition at line 27 of file phiAHessenberg.c.
◆ phiAc_variable()
| int phiAc_variable | ( | const int | m, |
| const double * | A, | ||
| const double | c, | ||
| double * | phiA | ||
| ) |
Compute the first order Phi (exponential) matrix function.
Computes \(\phi_1(c*A)\)
- Parameters
-
[in] m The Hessenberg matrix size (mxm) [in] A The input Hessenberg matrix [in] c The scaling factor [out] phiA The resulting exponential matrix
Definition at line 83 of file phiAHessenberg.c.
