Set variable = 0 and run while loop

Question

Raphael Biendarra 2020-10-15

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https://ww2.mathworks.cn/matlabcentral/answers/614673-set-variable-0-and-run-while-loop

回答： KSSV 2020-10-15

Hi,

I hope you can help me with this problem.

My while loop is running quite good it plots all the results I want.

but I want to run a second loop:

Problem................................................

let

c = 2.5; %random variable

t = 0; %time

I want to plot the output results out of a while loop and once the while loop has finished I want to set c = 0 and run the loop again.

The problem is how can I set c=0, after the loop has finished and how can I plot the results of the second loop together with the results of the first loop in one graph.

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Mathieu NOE 2020-10-15

hi

I don't know how you constructed youre code

but I would put the while loop code as a function, that you call from your main script while passing the variables to the function.

Sudhakar Shinde 2020-10-15

To plot multiple results on one graph look this: https://www.mathworks.com/help/matlab/ref/hold.html

Plot1

hold on

plot2

hold off

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Answer 1

KSSV 2020-10-15

0
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/614673-set-variable-0-and-run-while-loop#answer_514558

在 MATLAB Online 中打开

We can help you in specific if you show us the code.

As of now, you can save the variables inside the loop into an array and plot what you want at the end. You can see the below demo:

X = zeros(5,10) ;
Y = zeros(5,10) ; 
count = 0 ; 
while count <= 5
  count = count+1 ; 
  X(count,:) = rand(1,10) ; 
  for i = 1:10
    Y(count,i) = rand ; 
  end
end