| 164 | 164 | def _blockmul(self, other): |
| 165 | 165 | if (isinstance(other, BlockMatrix) and |
| 166 | 166 | self.colblocksizes == other.rowblocksizes): |
| 167 | return BlockMatrix(self.blocks*other.blocks) | |
| 167 | from sympy.core.numbers import Zero | |
| 168 | # Perform the matrix multiplication | |
| 169 | result_blocks = self.blocks * other.blocks | |
| 170 | ||
| 171 | # Convert Zero objects back to ZeroMatrix objects with appropriate dimensions | |
| 172 | if any(isinstance(elem, Zero) for row in result_blocks.tolist() for elem in row): | |
| 173 | # Determine the dimensions for each block position | |
| 174 | new_blocks = [] | |
| 175 | for i in range(result_blocks.shape[0]): | |
| 176 | new_row = [] | |
| 177 | for j in range(result_blocks.shape[1]): | |
| 178 | elem = result_blocks[i, j] | |
| 179 | if isinstance(elem, Zero): | |
| 180 | # Determine the dimensions for this Zero block | |
| 181 | # Row dimension comes from self.rowblocksizes[i] | |
| 182 | # Column dimension comes from other.colblocksizes[j] | |
| 183 | row_dim = self.rowblocksizes[i] | |
| 184 | col_dim = other.colblocksizes[j] | |
| 185 | new_row.append(ZeroMatrix(row_dim, col_dim)) | |
| 186 | else: | |
| 187 | new_row.append(elem) | |
| 188 | new_blocks.append(new_row) | |
| 189 | ||
| 190 | # Create a new matrix with the converted blocks | |
| 191 | from sympy.matrices.immutable import ImmutableDenseMatrix | |
| 192 | result_blocks = ImmutableDenseMatrix(new_blocks, evaluate=False) | |
| 193 | ||
| 194 | return BlockMatrix(result_blocks) | |
| 168 | 195 | |
| 169 | 196 | return self * other |
| 170 | 197 |
| Test Name | Status |
|---|---|
test_zero_matrix_add | Fail |
test_issue_17624 | Pass |
test_bc_matmul | Pass |
test_bc_matadd | Pass |
test_bc_transpose | Pass |
test_bc_dist_diag | Pass |
test_block_plus_ident | Pass |
test_BlockMatrix | Pass |
test_block_collapse_explicit_matrices | Pass |
test_BlockMatrix_trace | Pass |
test_BlockMatrix_Determinant | Pass |
test_squareBlockMatrix | Pass |
test_BlockDiagMatrix | Pass |
test_blockcut | Pass |
test_reblock_2x2 | Pass |
test_deblock | Pass |
test_sort_key | Pass |
test_matadd_sympify | Pass |
test_matadd_of_matrices | Pass |
test_doit_args | Pass |
test_generic_identity | Pass |
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