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pre-commit-ci[bot] 2023-08-13 14:08:08 +00:00
parent 4904dea1c4
commit cc545c5b49
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8
arithmetic_analysis/jacobi_iteration_method.py
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@ -124,8 +124,8 @@ def jacobi_iteration_method(
""" """
val_last = table[:, -1] val_last = table[:, -1]
""" """
masks - boolean mask of all strings without diagonal masks - boolean mask of all strings without diagonal
elements array coefficient_matrix elements array coefficient_matrix
""" """
masks = ~np.eye(coefficient_matrix.shape[0], dtype=bool) masks = ~np.eye(coefficient_matrix.shape[0], dtype=bool)
""" """
@ -133,13 +133,13 @@ def jacobi_iteration_method(
""" """
no_diag = coefficient_matrix[masks].reshape(-1, rows - 1) no_diag = coefficient_matrix[masks].reshape(-1, rows - 1)
""" """
Here we get 'i_col' - these are the column numbers, for each row Here we get 'i_col' - these are the column numbers, for each row
without diagonal elements, except for the last column. without diagonal elements, except for the last column.
""" """
i_row, i_col = np.where(masks) i_row, i_col = np.where(masks)
ind = i_col.reshape(-1, rows - 1) ind = i_col.reshape(-1, rows - 1)
""" """
'i_col' is converted to a two-dimensional list 'ind', 'i_col' is converted to a two-dimensional list 'ind',
which will be used to make selections from 'init_val' which will be used to make selections from 'init_val'
('arr' array see below). ('arr' array see below).
""" """