set method
Set new values for this 3x3 matrix
Implementation
Mat33 set(double e00,double e01,double e02,double e10,double e11,double e12,double e20,double e21,double e22){
List<double> te = elements;
te[0] = e00; te[1] = e01; te[2] = e02;
te[3] = e10; te[4] = e11; te[5] = e12;
te[6] = e20; te[7] = e21; te[8] = e22;
return this;
}