Game of Life - Not able to collect data for each simulation

Hello there,

I am creating a Game of Life through Matlab (something that I am not familiar with). I have made several simulations of game of life and I need to collect data from each simulation through function of time and then plot it. This is a sample of what I did:

    A = sparse(round(rand(n,m)));
    B = sparse(size(A));
    A = B;
    subplot(2,4,1);
    imagesc(A); pause(0.01);

    yA = nnz(A);
    subplot(2,4,5);
    hold on
    plot(t,yA,'r.-');
    hold off
    xlim([0 tmax]);
    ylim auto;
    pause(0.01);

But I am not able to collect any values and with this code I can plot but the points wont connect since I am planting single numbers onto the plot.

Help please and thank you.

Answer 1

[Image Analyst]

Like I said in your original question before you deleted it (thank goodness for Lazarus):

"You know that yA is just a single number, right? It's the count of the number of non-zeros in A but not the actual non-zero numbers themselves."

Now, what does "collect" mean to you? A game of life will have iterations (generations or days or time periods or whatever) where you change the population. I don't see any loops where you're changing the population in any way. If you did, then you could "collect" or store each population in a 3D array. But first you need some algorithm for how you want to change the population at each iteration. Can you tell us how you plan to do that?

[Image Analyst]

What are you passing in for n,m,tmax? Can you post a screenshot? What are the "points" that you want to connect?

[Joe Smith]

GOLPart(20,20,100)

[Joe Smith]

But I am getting an error for the plots not having the vectors being the same length

[Joe Smith]

Nevermind, fixed that as well but doing some thing

    plot(G(1:t),'c-');

your presence is helping me a lot ... thank you