Add Pleiades preset

Author: Steven-Roberts

src/+otp/+nbody/+presets/Pleiades.m

@@ -0,0 +1,18 @@
+classdef Pleiades < otp.nbody.NBodyProblem
+    methods
+        function obj = Pleiades()            
+            params.spacialDim = 2;
+            params.masses = 1:7;
+            params.gravitationalConstant = 1;
+            params.softeningLength = 0;
+            
+            positions = [3; 3; 3; -3; -1; 2; -3; 0; 2; 0; -2; -4; 2; 4];
+            velocities = [0; 0; 0; 0; 0; 0; 0; -1.25; 0; 1; 1.75; 0; -1.5; 0];
+            y0 = [positions; velocities];
+
+            tspan = [0, 3];
+            
+            obj = obj@otp.nbody.NBodyProblem(tspan, y0, params);
+        end
+    end
+end