搜狗做题网MATLAB 中怎么求N维向量函数的梯度,求完怎么赋值?
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MATLAB 中怎么求N维向量函数的梯度,求完怎么赋值?
[FX,FY] = gradient(F) returns the numerical gradient of the
matrix F.FX corresponds to dF/dx,the differences in x (horizontal)
direction.FY corresponds to dF/dy,the differences in y (vertical)
direction.
When F is a vector,DF = gradient(F) is the 1-D gradient.
matrix F.FX corresponds to dF/dx,the differences in x (horizontal)
direction.FY corresponds to dF/dy,the differences in y (vertical)
direction.
When F is a vector,DF = gradient(F) is the 1-D gradient.