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src/p/y/PyLMI-SDP-0.2/lmi_sdp/lmi.py   PyLMI-SDP(Download)
    StrictLessThan, MatrixExpr, block_collapse
 
from sympy.matrices.matrices import MatrixError, ShapeError
 
from .lm import lm_sym_expanded
 
 
class NonSymmetricMatrixError(ValueError, MatrixError):

src/p/y/PyLMI-SDP-0.2/lmi_sdp/lm.py   PyLMI-SDP(Download)
"""Tools for symbolic and numerical representations of linear matrices"""
from sympy import ImmutableMatrix, S, diag, Dummy, MatMul, MatAdd, S
from sympy.matrices.matrices import MatrixError, NonSquareMatrixError
import numpy as np
 
class NonLinearMatrixError(ValueError, MatrixError):
    pass
 
 
def lin_expr_coeffs(linear_expr, variables):

src/s/y/sympy-HEAD/sympy/matrices/tests/test_matrices.py   sympy(Download)
    S, Symbol, cos, exp, oo, pi, signsimp, simplify, sin, sqrt, symbols,
    sympify, trigsimp)
from sympy.matrices.matrices import (ShapeError, MatrixError,
    NonSquareMatrixError, DeferredVector)
from sympy.matrices import (

src/s/y/sympy-polys-HEAD/sympy/matrices/tests/test_matrices.py   sympy-polys(Download)
from sympy import symbols, Matrix, eye, I, Symbol, Rational, wronskian, cos, \
        sin, exp, hessian, sqrt, zeros, ones, randMatrix, Poly, S, pi, \
        oo, raises, trigsimp, Integer, block_diag, N
from sympy.matrices.matrices import ShapeError, MatrixError, \
        matrix_multiply_elementwise

src/s/y/sympy-0.7.5/sympy/matrices/tests/test_matrices.py   sympy(Download)
    S, Symbol, cos, exp, oo, pi, signsimp, simplify, sin, sqrt, symbols,
    sympify, trigsimp)
from sympy.matrices.matrices import (ShapeError, MatrixError,
    NonSquareMatrixError, DeferredVector)
from sympy.matrices import (