How can I create an array of 100 elements

How can I create an array of 100 elements with n-th element valued as 1 / √(2n^2)

Answer 1

[madhan ravi]

n=1:100

sequence =  1 ./ sqrt(2*n.^2)

Or

syms n

s=1:99

sequence =  1 ./ sqrt(2*n.^2)

array =[ s sequence ]

array = subs(array,n,3)