谁能解释一下c（s）=r的含义？

[kennetclose]

s(v) = true

s =

1 1 0 1 1 1 1 0

>> r = logical(randi([0 1],1,u))

r =

1 0 1 1 0 1

>> c = false(1,8)

c =

0 0 0 0 0 0 0 0

>> c(s) = r

c =

1 0 0 1 1 0 1 0