result =
	coeff_dx_m2_m2*data_m2_m2
	+ coeff_dx_m1_m2*data_m1_m2
	+ coeff_dx_0_m2*data_0_m2
	+ coeff_dx_p1_m2*data_p1_m2
	+ coeff_dx_p2_m2*data_p2_m2
	+ coeff_dx_m2_m1*data_m2_m1
	+ coeff_dx_m1_m1*data_m1_m1
	+ coeff_dx_0_m1*data_0_m1
	+ coeff_dx_p1_m1*data_p1_m1
	+ coeff_dx_p2_m1*data_p2_m1
	+ coeff_dx_m2_0*data_m2_0
	+ coeff_dx_m1_0*data_m1_0
	+ coeff_dx_0_0*data_0_0
	+ coeff_dx_p1_0*data_p1_0
	+ coeff_dx_p2_0*data_p2_0
	+ coeff_dx_m2_p1*data_m2_p1
	+ coeff_dx_m1_p1*data_m1_p1
	+ coeff_dx_0_p1*data_0_p1
	+ coeff_dx_p1_p1*data_p1_p1
	+ coeff_dx_p2_p1*data_p2_p1
	+ coeff_dx_m2_p2*data_m2_p2
	+ coeff_dx_m1_p2*data_m1_p2
	+ coeff_dx_0_p2*data_0_p2
	+ coeff_dx_p1_p2*data_p1_p2
	+ coeff_dx_p2_p2*data_p2_p2;