docs: public void apply( DMatrixRMaj H , DMatrixRMaj output ) {
  		output.reshape(3,H.numCols);
  		int stride = H.numCols;
  		for (int col = 0; col < H.numCols; col++) {
  			// This column in H
  			double h1 = H.data[col], h2 = H.data[col+stride], h3 = H.data[col+2*stride];
  
  			output.data[col] = h1/stdX - meanX*h3/stdX;
  			output.data[col+stride] = h2/stdY - meanY*h3/stdY;
  			output.data[col+2*stride] = h3;
  		}
  	}