| 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 scalar zeros back to ZeroMatrix objects | |
| 171 | from sympy.matrices.immutable import ImmutableDenseMatrix | |
| 172 | from sympy.core import S | |
| 173 | ||
| 174 | # Get the block dimensions for reference | |
| 175 | rows, cols = result_blocks.shape | |
| 176 | new_blocks = [[None for _ in range(cols)] for _ in range(rows)] | |
| 177 | ||
| 178 | for i in range(rows): | |
| 179 | for j in range(cols): | |
| 180 | element = result_blocks[i, j] | |
| 181 | # If we have a scalar zero, convert it to ZeroMatrix | |
| 182 | if element is S.Zero: | |
| 183 | # Get the appropriate dimensions from the block structure | |
| 184 | # Row dimension from self's row block i | |
| 185 | row_dim = self.blocks[i, 0].rows if hasattr(self.blocks[i, 0], 'rows') else self.rowblocksizes[i] | |
| 186 | # Col dimension from other's col block j | |
| 187 | col_dim = other.blocks[0, j].cols if hasattr(other.blocks[0, j], 'cols') else other.colblocksizes[j] | |
| 188 | new_blocks[i][j] = ZeroMatrix(row_dim, col_dim) | |
| 189 | else: | |
| 190 | new_blocks[i][j] = element | |
| 191 | ||
| 192 | # Create the new block matrix with corrected blocks | |
| 193 | corrected_blocks = ImmutableDenseMatrix(new_blocks) | |
| 194 | return BlockMatrix(corrected_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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