Assertion: matrix's inverse | /r/HasProperty | useful
Facets:
value: for solving equations
type: PURPOSE
value: as a preconditioner
type: MANNER
Source sentences:
text: Truncating the sum results in an "approximate" inverse which may be useful as a preconditioner.
text: The inverse of a matrix can be useful for solving equations, when you need to solve the same equations with different right hand sides.