Conversion to cell from double is not possible.

2023 11 28
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更新时间：2023 11 28
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I am trying to solve delay logistic equation with multiple delay terms but for finding delayed states i am getting error and my error is
"Conversion to cell from double is not possible."
g = @(t, y, Z, par) par(1) * y * (1 - sum(par(2:end) .* Z));
tau = [1, 1.5,2,2.5,3]; % Array of different delays
par = [1.5, 0.1,0.2,0.3,0.4,0.5];
this is my equation
and I am getting error here in this part
%% Calculate delayed states for multiple delays
x_d = cell(length(tau), 1);
for k = 1:length(tau)
x_d(k) = deval(sol, t_t - tau(k));
end

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 采纳的回答

Dyuman Joshi
Dyuman Joshi 2023-11-28

0 个投票

You need to use curly brackets, {}
%% Calculate delayed states for multiple delays
x_d = cell(length(tau), 1);
for k = 1:length(tau)
% v v
x_d{k} = deval(sol, t_t - tau(k));
end

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Muhammad
Muhammad 2023-11-28
Thank you its working
Now i am getting error in this next part and the error is "Operator '.*' is not supported for operands of type 'cell'."
x_dn = cell(size(x_d));
for k = 1:length(x_d)
x_dn(k) = x_d(k) + eps * randn(size(x_d(k))) .* x_d(k);
end
Dyuman Joshi
Dyuman Joshi 2023-11-28
编辑：Dyuman Joshi 2023-11-28
Again, use curly brackets for cell arrays.
Read more here - Access data in a cell array
x_dn = cell(size(x_d));
for k = 1:length(x_d)
% v v v v v v v v
x_dn{k} = x_d{k} + eps * randn(size(x_d{k})) .* x_d{k};
end
Also, you can combine the for loops for x_d and x_dn.
Muhammad
Muhammad 2023-11-28
Thank you so much for help
Matt J
Matt J 2023-11-28
编辑：Matt J 2023-11-28
@Muhammad Please Accept-click the answer to indicate that it worked.

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