Matrix of double floats.
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def | __init__ (self, arg=None) |
| | Constructs a matrix.
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def | copy_from (self, src) |
| | Copies elements from src into self.
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def | rows (self) |
| | Number of rows.
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def | cols (self) |
| | Number of columns.
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def | ld (self) |
| | Leading dimension of data.
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def | data (self) |
| | Pointer to data.
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def | __len__ (self) |
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def | row_vec (self, i) |
| | Returns the i'th row as a DVec.
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def | col_vec (self, j) |
| | Returns the j'th column as a DVec.
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def | diag_vec (self) |
| | Returns the diagonal as a DVec.
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def | transpose (self) |
| | Returns the tranpose of the matrix.
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def | ssd (self, other) |
| | Returns Sum of square differences.
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def | nrm2 (self) |
| | Returns the Euclidean norm of self.
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| def | gemm (self, transA, transB, alpha, A, B, beta) |
| | General matrix-matrix multiply. More...
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| def | pinv (self, tol=-1) |
| | Returns the pseudoinverse. More...
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def | inv (self) |
| | Returns the inverse.
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def | __getitem__ (self, key) |
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def | __setitem__ (self, key, item) |
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def | __imul__ (self, other) |
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def | __neg__ (self) |
| | Negate self.
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def | __mul__ (self, other) |
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def | __rmul__ (self, other) |
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def | __itruediv__ (self, other) |
| | Divide self by a scala.
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def | __truediv__ (self, other) |
| | Divide self by a scala.
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def | __iadd__ (self, other) |
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def | __add__ (self, other) |
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def | __radd__ (self, other) |
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def | __isub__ (self, other) |
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def | __sub__ (self, other) |
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def | __rsub__ (self, other) |
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def | __str__ (self) |
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def | __eq__ (self, other) |
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def | __ne__ (self, other) |
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def | isclose (self, other, rel_tol=1e-09, abs_tol=0.0) |
| | Returns true if object is close to other.
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def | __div__ (self, other) |
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def | __idiv__ (self, other) |
| | Divide self by a scala.
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def | row_matrix (args) |
| | Creates a matrix from rows passed in args.
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def | col_matrix (args) |
| | Creates a matrix from columns passed in args.
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Matrix of double floats.
Definition at line 272 of file mat.py.
◆ gemm()
| def amino.mat.DMat.gemm |
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self, |
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transA, |
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transB, |
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alpha, |
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A, |
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B, |
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beta |
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General matrix-matrix multiply.
Thin wrapper of BLAS dgemm().
self := alpha*op(A)*op(B) + beta*self
- Parameters
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| transA | whether to transpose A |
| transB | whether to transpose B |
| alpha | scale factor for A and B |
| beta | scale factor for self |
Definition at line 397 of file mat.py.
◆ pinv()
| def amino.mat.DMat.pinv |
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self, |
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tol = -1 |
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Returns the pseudoinverse.
- Parameters
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| tol | singular values less than tol are ignored. Negative values use a default. |
Definition at line 409 of file mat.py.
The documentation for this class was generated from the following file:
- /home/ntd/git/amino/python/amino/mat.py
Public Member Functions inherited from amino.mixin.SSDEqMixin