}
@Override
public void setCoefficientVector(IDoubleArray b) {
coefficientVector = new no.uib.cipr.matrix.sparse.SparseVector(b.size());
wrappedCoefficientVector = new WrappedMTJVector(coefficientVector);
wrappedCoefficientVector.copyFrom(b);
solutionVector = new no.uib.cipr.matrix.sparse.SparseVector(b.size());
wrappedSolutionVector = new WrappedMTJVector(solutionVector);
}