Swap the elements of lower and upper triangular matrix

To swap the elements of a lower and upper triangular matrix, we need to first identify which elements belong to each part of the matrix. In a square matrix, the diagonal elements are always part of both the lower and upper triangular matrix. The elements below the diagonal belong to the lower triangular matrix, while the elements above the diagonal belong to the upper triangular matrix.

To swap the elements of the lower and upper triangular matrix, we can use a nested loop to iterate over each element of the matrix. If the current element belongs to the lower triangular matrix, we can swap it with the corresponding element in the upper triangular matrix. Similarly, if the current element belongs to the upper triangular matrix, we can swap it with the corresponding element in the lower triangular matrix.

Here given code implementation process.

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