docs: public void setNumberControl( int numControl ) {
  		this.numControl = numControl;
  
  		if( numControl == 4 ) {
  			x0.reshape(10,1,false);
  			AA.reshape(10,9,false);
  			yy.reshape(10,1,false);
  			xx.reshape(9,1,false);
  			numNull = 3;
  		} else {
  			x0.reshape(6,1,false);
  			AA.reshape(4,2,false);
  			yy.reshape(4,1,false);
  			xx.reshape(2,1,false);
  			numNull = 1;
  		}
  
  		int index = 0;
  		for( int i = 0; i < numControl; i++ ) {
  			for( int j = i; j < numControl; j++ ) {
  				table[i*numControl+j] = table[j*numControl+i] = index++;
  			}
  		}
  	}