Changing 2D line graph into 3D graph by adding an axes from a condition

Question

Meva 2015-5-19

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/217568-changing-2d-line-graph-into-3d-graph-by-adding-an-axes-from-a-condition

评论： Nalini Vishnoi 2015-5-20

Hi,

I have my main script with a nested function. p2 is array valued and it is calculated in the main script and nested function as well. To find corresponding p2 array values I use specific time using if condition. My main script is like this:

...
dt =0.0001;
dx=0.001;
ii= (1/dx) +1                       *% = 1001;*
for nt=1:30001;
      ...
for i=1:ii
x(i) = (i-1)*dx;   
end 
t=(nt-1)*dt;                        *%  TIME !!!*
..
[p2] = p_thick(ii,dx,dt,...);                                  % THIS IS P2. IT IS AN ARRAY VALUED FUNCTION (1*ii)
        ...
if nt==1001                         *%  TIME CONDITION*
[p2smallregion] = small_time();
k=2*(t/dx) +1; 
    figure(1)                 *% PLOTTING IN TIME 0.1*
    plot(x(1:k),p2(1:k),'LineWidth', 1.5);
    hold on
    plot(x(1:k),p2smallregion(1:k),'r--','LineWidth',1.5)
    xlabel('x')
    % ylabel('p2s')
    ..
      end
    end

And my nested function like this:

function [p2smallregion] = small_time()
dx = 0.001;
ii=(1/dx)+1;
...
 ...
for nt = 1:30001;          % SAME THE NUMBER OF TIME STEPS
    t=(nt-1)*dt;
      if nt ==1001;        % SAME TIME CONDITION GOES HERE
         k=2*(t/dx) +1;
         for j=1:k
             m(j) = (j-1)*dx;
             if m(j)<t
             p2smallregion(j)=beta1*m(j))+t*2*beta1*alphabar;
             else
             p2smallregion(j) = t^2*alphabar*m(j);
             end
         end
  end

THE QUESTION IS: As you can see I can plot p2 values from main script and nested function in the same plot in a specific time say=0.1. But How can I plot this in different time values in the same plot? 3D plot with colourbar time range between 0.01 and 0.1 with 11 time values??? Please see attached. I would like to get exactly like attached.

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Nalini Vishnoi 2015-5-20

Your question is not clear and the attachment is missing. Can you attach the desired figure? Also, if possible, attach a figure of what you have been able to accomplish so far.

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Changing 2D line graph into 3D graph by adding an axes from a condition

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Changing 2D line graph into 3D graph by adding an axes from a condition

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