From f1983adb487bb531c1c68226596b26eebf99876a Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Wed, 6 Oct 2010 21:50:48 -0400 Subject: Add Heun-Euler adaptive method. --- src/vZ/RK4.hpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'src/vZ/RK4.hpp') diff --git a/src/vZ/RK4.hpp b/src/vZ/RK4.hpp index fa50461..39fa306 100644 --- a/src/vZ/RK4.hpp +++ b/src/vZ/RK4.hpp @@ -29,12 +29,12 @@ namespace vZ // Four function evaluations per step // Its tableau is: // - // 0 | - // 1/2|1/2 - // 1/2|0 1/2 - // 1 |0 0 1 - // ---+--------------- - // |1/6 1/3 1/3 1/6 + // 0 | + // 1/2 | 1/2 + // 1/2 | 0 1/2 + // 1 | 0 0 1 + // ----+---------------- + // | 1/6 1/3 1/3 1/6 // // k1 = dt*f(y[n]) // k2 = dt*f(y[n] + (dt/2)*k1) -- cgit v1.2.3