You can use 'randn' function to generate gaussian random sequence with mean 1 and variance 0 and transform it to desired mean(μ) and variance() using the relation: randn(1,n) + μ.
You can also select a web site from the following list
How to Get Best Site Performance
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.