Update BlockRIP experiment

2024-01-27 20:58:09 +08:00
parent 8f965c1466
commit c2e23b4fbf
5 changed files with 169 additions and 0 deletions
@@ -0,0 +1,20 @@
+% 由于函数单调，因此可以用二分法求 x/log(9x) = k 的解
+
+function result = solve_test(k)
+    eps = 1e-3;
+    l = 1;
+    r = k;
+    while r - l > eps
+        mid = (l+r) / 2;
+        if (foo(mid) < foo(r))
+            l = mid;
+        else
+            r = mid;
+        end
+    end
+    result = l;
+end
+
+function f = foo(x)
+    f = x / log(9 * x);
+end