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comparison liboctave/dDiagMatrix.h @ 8371:c3f7e2549abb

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make det & inv aware of diagonal & permutation matrices
author Jaroslav Hajek <highegg@gmail.com>
date Thu, 04 Dec 2008 12:03:45 +0100
parents 445d27d79f4e
children e3c9102431a9
comparison
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8370:34960ba08a81 8371:c3f7e2549abb
26 26
27 #include "MDiagArray2.h" 27 #include "MDiagArray2.h"
28 28
29 #include "dRowVector.h" 29 #include "dRowVector.h"
30 #include "dColVector.h" 30 #include "dColVector.h"
31 #include "DET.h"
31 32
32 #include "mx-defs.h" 33 #include "mx-defs.h"
33 34
34 class 35 class
35 OCTAVE_API 36 OCTAVE_API
96 97
97 // other operations 98 // other operations
98 99
99 ColumnVector diag (octave_idx_type k = 0) const; 100 ColumnVector diag (octave_idx_type k = 0) const;
100 101
101 bool is_identity (void) const; 102 DET determinant (void) const;
103 double rcond (void) const;
102 104
103 // i/o 105 // i/o
104 106
105 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const DiagMatrix& a); 107 friend OCTAVE_API std::ostream& operator << (std::ostream& os, const DiagMatrix& a);
106 108