请教公式复现与实际图形不同解决方法。
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想复现公式
,现已知
,
,现已知代码如下:
sigma=849;
x=linspace(-300,300,50);
y=linspace(-300,300,50);
[x,y]=meshgrid(x,y);
z = 1./(2*pi.*sigma.^2).*exp(-(x.^2+y.^2)./(2*sigma.^2));
mesh(x, y, z);
colormap('parula');
出来的图形为
,但是论文实际的图形为正态分布:
,
,但是论文实际的图形为正态分布:
,发现仿真的图形只是相当于实际图形的一部分,想请教一下大佬这种情况下该如何修改代码
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