这是绘制正态分布的好方法吗?有时,我得到的pdf值(pdf_x
)大于1。
% thresh_strain contains a Normally Distributed set of numbers
[mu_j,sigma_j] = normfit(thresh_strain);
x=linspace(mu_j-4*sigma_j,mu_j+4*sigma_j,200);
pdf_x = 1/sqrt(2*pi)/sigma_j*exp(-(x-mu_j).^2/(2*sigma_j^2));
plot(x,pdf_x);
谢谢
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