code: public T elementMult( T b )
      {
          convertType.specify(this,b);
          T A = convertType.convert(this);
          b = convertType.convert(b);
  
          T c = A.createLike();
          A.ops.elementMult(A.mat,b.mat,c.mat);
          return c;
      }
docs: <p>
  Returns a matrix which is the result of an element by element multiplication of 'this' and 'b':
  c<sub>i,j</sub> = a<sub>i,j</sub>*b<sub>i,j</sub>
  </p>
  
  @param b A simple matrix.
  @return The element by element multiplication of 'this' and 'b'.