Runge kutta method matlab
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Hello,
I am trying to make a runge-kutta code that solves a coupled ode by taking initial values (x0 and y0). Can you please guide me on this
4 个评论
Alan Stevens
2020-9-19
What do you expect the results to look like?
Gerard Rojo
2020-9-19
Gerard Rojo
2020-9-19
the cyclist
2020-9-19
I don't have a solution to your main question, but just wanted to point out that you can do all 20 plots with this one line of code:
figure;
plot(x_rk', y_rk','y', 'MarkerSize',5);
回答（1 个）
Use arrayfun to obtain your solutions and Plot them!
x0y0 = [20x2] array?
tspan = [0:dt:t_end];
[tsol, xysol] = arrayfun(@(i) ode45(@odefun, tspan, x0y0(i,:)), 1:20, 'uniform', false);
arrayfun(@(i)plot(xysol{i}(:,1), xysol{i}(:,2),'b'), 1:20);
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2020-9-19
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