[R] can't integrate in loop

[faeriewhisper]

Hi guys!
I have to compute something and i don't know what i'm doing wrong. my code
is a bit complex, but imagine that is something like this:

a = c(1 2 3 4)
ia = length(a)

x = seq(1,100,length=0.1)
ib = length(x) 

for(j in 1:ia) {
   H = function(x) {sen(x) + a[j]} 
      for(i in 1:ib) {	 
		int = function(x) { integrate(H, lower = 0, upper = x[i])} 
		int1[i] = int(1)
		}
	end
   int1 = unlist(int1)
   ss[j] = sum(int1)
}
end

if i try this code without the for loop it's ok, but when i put the cycle
on, i get all sort of errors...
Thank you for your help :)










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