spatial distribution plot in matlab

I am new in matlab, and currently i want to plot some data in my plot. but i am unable to do this, I want to make a plot like this

i have temperatureData

size of temperatureData = 46 x 241 x 4

in y axis i will show 46 point, x axis 241 point, i need 4 plot for last 4 data. is it possible to make this graph with this data, or i need to modify my data,

if i can , how to do this, please help.

[Torsten]

Look at the plots in this code:

https://uk.mathworks.com/matlabcentral/answers/1998013-strange-temperature-output-for-2d-heat-equation?s_tid=srchtitle

Answer 1

[Rahul]

Hi @pranto saha,

I understand that you have some 'temperatureData' of size 46 x 241 x 4. You want to plot the 'temperatureData' in the way shared by you in the question above.

You can achieve the desired result by following the mentioned code:

figure;

% 'temperatureData' is considered to be a 46 x 241 x 4 matrix as mentioned
% in the question

for i = 1:4
    % Extract the 2D slice for the current plot
    dataSlice = temperatureData(:, :, i);
   
    subplot(2, 2, i);
    contourf(dataSlice, 'LineStyle', 'none');
    colorbar;
    
end

You can also consider using 'imagesc' function instead of the 'contourf' function above for your use-case.

You can refer to the following documentations to know more about these functions and styling:

'contourf': https://www.mathworks.com/help/releases/R2024a/matlab/ref/contourf.html?searchHighlight=contourf&s_tid=doc_srchtitle#d126e250610

'subplot': https://www.mathworks.com/help/releases/R2024a/matlab/ref/subplot.html?searchHighlight=subplot&s_tid=doc_srchtitle

'imagesc': https://www.mathworks.com/help/releases/R2024a/matlab/ref/imagesc.html?searchHighlight=imagesc&s_tid=doc_srchtitle

'colorbar': https://www.mathworks.com/help/releases/R2024a/matlab/ref/colorbar.html?searchHighlight=colorbar&s_tid=doc_srchtitle