newMat=multiFromRowToRow(mat,fromRow,toRow,multiplier)

function newMat=multiFromRowToRow(mat,fromRow,toRow,multiplier)
%Add a multiple of one row in a matrix to another row
%multiFromRowToRow(mat,fromRow,toRow,multiplier)
	rG=mat(fromRow,:)*multiplier;
	mat(toRow,:)=rG + mat(toRow,:);
	newMat=mat;