(no subject)

hello
please you help mei have this functionx<-rnorm(10,0,1)f<-fuction(u,x)? {exp((x-u)}I want to calculate the integral of this function for each value of x{for(i in 1:lenght(x)
integrate(f,lower=1,upper=4) 

}but I can not find the vector of resulatwhere is the errorthinks