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D.3.2.2 inverse_B
Procedure from library linalg.lib (see linalg_lib).
- Usage:
- inverse_B(A); A = square matrix
- Return:
- list Inv with
- Inv[1] = matrix I and
- Inv[2] = poly p
such that I*A = unitmat(n)*p;
- Note:
- p=1 if 1/det(A) is computable and p=det(A) if not;
the computation uses busadj.
Example:
See also:
inverse;
inverse_L.
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