<div>hello</div><div>from the following code, I expected</div><div>'#(#(#("2" "2" "3") #("1" "2" "3")) #(#("1" "2" "3") #("1" "2" "3")))</div> <div>but </div><div>the interpreter pop the </div><div>'#(#(#("2" "2" "3") #("2" "2" "3")) #(#("2" "2" "3") #("2" "2" "3")))</div> <div>how can I change only one element in the vector?</div><div>===following code===</div><div>#lang racket</div><div>(define v (make-vector 2 </div><div> (make-vector 2 </div><div> (vector "1" "2" "3"))))</div> <div><br></div><div>(vector-set! (vector-ref (vector-ref v 0) 0) 0 "2")</div><div>v</div><div><br></div>