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File 'ode1' not found.

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Zouhir Bensebban
Zouhir Bensebban 2018-6-14
评论： Walter Roberson 2023-10-8
Hi guys, if I type this (type ode1) I'm going to make these mistakes! Error using type File 'ode1' not found. why? Thanks

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回答（2 个）

Walter Roberson
Walter Roberson 2018-6-15
Alvin
Alvin 2023-10-8
You can create one yourself, then you can type it.
function [yout] = ode1(F, t0, h, tfinal, y0)
% ODE1 is a simple ODE solver.
% dy/dt = F(t, y) with y(t0) = y0
y = y0;
yout = zeros((tfinal-t0)/h+1, 1); yout(1) = y0;
for t = t0+h : h : tfinal
s = F(t, y); % Slope
y = y + h * s; % from y(t) to y(t+h)
yout(round((t-t0)/h+1)) = y; % list of y's are recorded
end
end
  1 个评论
Walter Roberson
Walter Roberson 2023-10-8
You can, but in my answer I linked to some pre-written fixed-step ODE solvers supplied by Mathworks

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