removed matrix matrix multiplication from interpolation
removed matrix matrix multiplication from interpolation

e3reiter/feltor,mwiesenberger/feltor,mwiesenberger/feltor,feltor-dev/feltor,mwiesenberger/feltor,mwiesenberger/feltor,rkube/feltor,e3reiter/feltor,rkube/feltor,feltor-dev/feltor,feltor-dev/feltor,rkube/feltor,e3reiter/feltor,e3reiter/feltor,e3reiter/feltor,rkube/feltor,feltor-dev/feltor,rkube/feltor