tasks a-s

Task/Nth-root/E/nth-root.e

@@ -0,0 +1,12 @@
+def nthroot(n, x) {
+  require(n > 1 && x > 0)
+  def np := n - 1
+  def iter(g) { return (np*g + x/g**np) / n }
+  var g1 := x
+  var g2 := iter(g1)
+  while (!(g1 <=> g2)) {
+    g1 := iter(g1)
+    g2 := iter(iter(g2))
+  }
+  return g1
+}