| 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 | # Perform the block multiplication | |
| 168 | result_blocks = self.blocks*other.blocks | |
| 169 | ||
| 170 | # Convert Zero objects back to ZeroMatrix with appropriate dimensions | |
| 171 | from sympy.core.numbers import Zero | |
| 172 | from sympy.matrices.immutable import ImmutableDenseMatrix | |
| 173 | ||
| 174 | def convert_zero_to_matrix(block, row_idx, col_idx): | |
| 175 | if isinstance(block, Zero): | |
| 176 | # Determine the dimensions based on the block structure | |
| 177 | # The resulting block should have dimensions: | |
| 178 | # rows: self.rowblocksizes[row_idx] | |
| 179 | # cols: other.colblocksizes[col_idx] | |
| 180 | rows = self.rowblocksizes[row_idx] | |
| 181 | cols = other.colblocksizes[col_idx] | |
| 182 | return ZeroMatrix(rows, cols) | |
| 183 | return block | |
| 184 | ||
| 185 | # Handle each element individually to ensure proper conversion | |
| 186 | new_data = [] | |
| 187 | for i in range(result_blocks.shape[0]): | |
| 188 | row_data = [] | |
| 189 | for j in range(result_blocks.shape[1]): | |
| 190 | block = result_blocks[i, j] | |
| 191 | converted_block = convert_zero_to_matrix(block, i, j) | |
| 192 | row_data.append(converted_block) | |
| 193 | new_data.append(row_data) | |
| 194 | converted_blocks = ImmutableDenseMatrix(new_data) | |
| 195 | ||
| 196 | return BlockMatrix(converted_blocks) | |
| 168 | 197 | |
| 169 | 198 | return self * other |
| 170 | 199 |
| 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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