利用matlab针对图像进行马氏距离计算 ,该函数用来计算任意函数的一阶偏导数(数值方法),最小均方误差等算法的MSE的计算。- Using matlab to calculate the Mahalanobis distance for the image, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), Minimum mean square error MSE calculation algorithm.