contour function to show temperature on a 2d plate at 0, 1, 2, 5, 10, 100 seconds in matlab

Assuming T is the temperature matrix, you can use the contour() function to plot contours of constant temperature. Here's an example code snippet to plot temperature contours at specific times:

main.m
% define time points at which to plot temperature
times = [0 1 2 5 10 100];

% plot temperature contours at specified times
for i = 1:length(times)
    t = times(i);
    figure();
    contour(T, 'ShowText','on');
    title(['Temperature at t = ' num2str(t) ' seconds']);
end
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This code will plot contours of the temperature matrix T at times 0, 1, 2, 5, 10, and 100 seconds. The contour() function automatically chooses contour levels based on the range of values in T. The 'ShowText' option displays the contour values on the plot. You can customize the plot appearance by adding additional arguments to the contour() and title() functions.