(Perl Data Language) aims to turn perl into an efficient numerical language for scientific computing (similar to IDL and MatLab).
| LINALG.pm (PDL-2.081) | : | LINALG.pm (PDL-2.082) |
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| skipping to change at line 57 | | skipping to change at line 57 |
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| initial C<gsl_linalg_> removed. They are provided in both real and | | initial C<gsl_linalg_> removed. They are provided in both real and |
| complex double precision. | | complex double precision. |
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| Currently only LU decomposition interfaces here. Pull requests welcome! | | Currently only LU decomposition interfaces here. Pull requests welcome! |
| #line 59 "LINALG.pm" | | #line 59 "LINALG.pm" |
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| =head1 FUNCTIONS | | =head1 FUNCTIONS |
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| =cut | | =cut |
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| #line 949 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| =head2 LU_decomp | | =head2 LU_decomp |
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| =for sig | | =for sig |
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| Signature: ([io,phys]A(n,m); indx [o,phys]ipiv(p); int [o,phys]signum()) | | Signature: ([io,phys]A(n,m); indx [o,phys]ipiv(p); int [o,phys]signum()) |
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| =for ref | | =for ref |
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| LU decomposition of the given (real or complex) matrix. | | LU decomposition of the given (real or complex) matrix. |
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| =for bad | | =for bad |
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| LU_decomp ignores the bad-value flag of the input ndarrays. | | LU_decomp ignores the bad-value flag of the input ndarrays. |
| It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. | | It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. |
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| =cut | | =cut |
| #line 96 "LINALG.pm" | | #line 96 "LINALG.pm" |
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| #line 951 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| *LU_decomp = \&PDL::LU_decomp; | | *LU_decomp = \&PDL::LU_decomp; |
| #line 103 "LINALG.pm" | | #line 103 "LINALG.pm" |
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| #line 949 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| =head2 LU_solve | | =head2 LU_solve |
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| =for sig | | =for sig |
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| Signature: ([phys]LU(n,m); indx [phys]ipiv(p); [phys]B(n); [o,phys]x(n)) | | Signature: ([phys]LU(n,m); indx [phys]ipiv(p); [phys]B(n); [o,phys]x(n)) |
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| =for ref | | =for ref |
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| Solve C<A x = B> using the LU and permutation from L</LU_decomp>, real | | Solve C<A x = B> using the LU and permutation from L</LU_decomp>, real |
| or complex. | | or complex. |
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| =for bad | | =for bad |
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| LU_solve ignores the bad-value flag of the input ndarrays. | | LU_solve ignores the bad-value flag of the input ndarrays. |
| It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. | | It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. |
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| =cut | | =cut |
| #line 131 "LINALG.pm" | | #line 131 "LINALG.pm" |
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| #line 951 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| *LU_solve = \&PDL::LU_solve; | | *LU_solve = \&PDL::LU_solve; |
| #line 138 "LINALG.pm" | | #line 138 "LINALG.pm" |
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| #line 949 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| =head2 LU_det | | =head2 LU_det |
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| =for sig | | =for sig |
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| Signature: ([phys]LU(n,m); int [phys]signum(); [o]det()) | | Signature: ([phys]LU(n,m); int [phys]signum(); [o]det()) |
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| =for ref | | =for ref |
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| Find the determinant from the LU decomp. | | Find the determinant from the LU decomp. |
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| =for bad | | =for bad |
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| LU_det ignores the bad-value flag of the input ndarrays. | | LU_det ignores the bad-value flag of the input ndarrays. |
| It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. | | It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. |
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| =cut | | =cut |
| #line 165 "LINALG.pm" | | #line 165 "LINALG.pm" |
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| #line 951 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| *LU_det = \&PDL::LU_det; | | *LU_det = \&PDL::LU_det; |
| #line 172 "LINALG.pm" | | #line 172 "LINALG.pm" |
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| #line 949 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 958 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| =head2 solve_tridiag | | =head2 solve_tridiag |
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| =for sig | | =for sig |
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| Signature: ([phys]diag(n); [phys]superdiag(n); [phys]subdiag(n); [phys]B(n); [
o,phys]x(n)) | | Signature: ([phys]diag(n); [phys]superdiag(n); [phys]subdiag(n); [phys]B(n); [
o,phys]x(n)) |
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| =for ref | | =for ref |
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| Solve C<A x = B> where A is a tridiagonal system. Real only, because | | Solve C<A x = B> where A is a tridiagonal system. Real only, because |
| GSL does not have a complex function. | | GSL does not have a complex function. |
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| =for bad | | =for bad |
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| solve_tridiag ignores the bad-value flag of the input ndarrays. | | solve_tridiag ignores the bad-value flag of the input ndarrays. |
| It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. | | It will set the bad-value flag of all output ndarrays if the flag is set for any
of the input ndarrays. |
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| =cut | | =cut |
| #line 200 "LINALG.pm" | | #line 200 "LINALG.pm" |
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| #line 951 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" | | #line 960 "/home/osboxes/pdl-code/blib/lib/PDL/PP.pm" |
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| *solve_tridiag = \&PDL::solve_tridiag; | | *solve_tridiag = \&PDL::solve_tridiag; |
| #line 207 "LINALG.pm" | | #line 207 "LINALG.pm" |
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| #line 40 "gsl_linalg.pd" | | #line 40 "gsl_linalg.pd" |
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| =head1 SEE ALSO | | =head1 SEE ALSO |
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| L<PDL> | | L<PDL> |
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| End of changes. 8 change blocks. |
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| 8 lines changed or deleted | | 8 lines changed or added |
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