public static void checkVectorAddition ( ) { DoubleMatrix x = new DoubleMatrix ( 3 , 1 , 1.0 , 2.0 , 3.0 ) ; DoubleMatrix y = new DoubleMatrix ( 3 , 1 , 4.0 , 5.0 , 6.0 ) ; DoubleMatrix z = new DoubleMatrix ( 3 , 1 , 5.0 , 7.0 , 9.0 ) ; check ( "checking vector addition" , x . add ( y ) . equals ( z ) ) ; }
Check whether vector addition works . This is pure Java code and should work .