Data commit

Task/Feigenbaum-constant-calculation/Sidef/feigenbaum-constant-calculation.sidef

@@ -0,0 +1,20 @@
+var a1 = 1
+var a2 = 0
+var δ  = 3.2.float
+
+say " i\tδ"
+
+for i in (2..15) {
+    var a0 = ((a1 - a2)/δ + a1)
+    10.times {
+        var (x, y) = (0, 0)
+        2**i -> times {
+            y = (1 - 2*x*y)
+            x = (a0 - x²)
+        }
+        a0 -= x/y
+    }
+    δ = ((a1 - a2) / (a0 - a1))
+    (a2, a1) = (a1, a0)
+    printf("%2d %.8f\n", i, δ)
+}