Mathmatica中如何生成服从标准正态分布的随机数?
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Q:Mathmatica中如何生成服从标准正态分布的随机数?
A:
method 1:
x1:=Random[]
x2:=Random[]
y:=Sqrt[2*Log[1/x1]]*Sin[2*Pi*x2]
then y 服从标准正态分布
method 2:
<<Statistics`ContinuousDistributions`
mu=0;
sigma=1;
ndist = NormalDistribution[mu, sigma]
y:=Random[ndist]
A:
method 1:
x1:=Random[]
x2:=Random[]
y:=Sqrt[2*Log[1/x1]]*Sin[2*Pi*x2]
then y 服从标准正态分布
method 2:
<<Statistics`ContinuousDistributions`
mu=0;
sigma=1;
ndist = NormalDistribution[mu, sigma]
y:=Random[ndist]
n = NormalDistribution[110, 12]
第一句话 载入函数包 第二句话令 n等于分布