varfunc.m

用于进行车牌校正的程序

% function [array,varnc] = varFunc(x,x_hat) 
% 求序列a, b的误差方差和差值 

function [array,varnc] = varFunc(x,x_hat)
array = x - x_hat;

varnc = std(array);

array = array./varnc;