Matrix Function - MFN#
Matrix Function (MFN) is the object provided by SLEPc for computing the action of a matrix function on a vector. Given a matrix A and a vector b, the call MFNSolve(mfn,b,x) computes \(x=f(A)b\), where \(f\) is a function such as the exponential.
Related Users Manual part: MFN: Matrix Function.