def DM(elems, domain):
conv = lambda e: domain.from_sympy(sympify(e))
elems = [[conv(e) for e in row] for row in elems]
return DomainMatrix(elems, (len(elems), len(elems[0])), domain)
def _eval_row_del(self, row):
self._rep = DomainMatrix.vstack(self._rep[:row, :],
self._rep[row + 1:, :])
self.rows -= 1
def _eval_eye(cls, rows, cols):
rep = DomainMatrix.eye((rows, cols), ZZ)
return cls._fromrep(rep)
def _eval_col_del(self, col):
self._rep = DomainMatrix.hstack(self._rep[:, :col],
self._rep[:, col + 1:])
self.cols -= 1
def _eval_zeros(cls, rows, cols):
rep = DomainMatrix.zeros((rows, cols), ZZ)
return cls._fromrep(rep)