rayleigh distribution
Distribution of Z=√X2+Y2 for any gaussian variables X and Y with mean 0 and equal variance, σ2
Distribution with pdf f(x)
f(x)={0x<0xσ2e−x22σ2x≥0
The expected value of this distribution is
E[x]=√π2σ
Distribution of Z=√X2+Y2 for any gaussian variables X and Y with mean 0 and equal variance, σ2
Distribution with pdf f(x)
The expected value of this distribution is