help with fixing my plot please

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random1072
random1072 on 20 Mar 2020
Commented: Star Strider on 21 Mar 2020
Any insight on how to make my graph not jagged and more rounded or smooth so doesnt look so bad and also how to change the colors since i have 12 different forces i need 12 different colors so there arent two the same.. New to graphing so trying to figure this out and going crazy. Attatched is an image of my code and the matrix i am trying to graph (A_total) as well as an image of my current graph. Any insight would greatly be appreciated.

Accepted Answer

Star Strider
Star Strider on 20 Mar 2020
My version of MATLAB cannot run images of code, only actual code, so I created an equivalent-size ‘A’ matrix:
A = rand(5, 12); % Create Data
figure
plot(A)
grid
title('Original')
xi = linspace(1, 5, 24); % Define ‘x’ With Increased Resolution
Ai = interp1((1:5).', A, xi, 'pchip'); % Interpolate
cm = jet(size(A,2)); % Define Colormap For Line Colors
figure
hold on
for k = 1:size(Ai,2)
plot(xi, Ai(:,k), 'Color',cm(k,:))
end
grid
title('Interpolated & Unique Colours')
This interpolates the matrix rows and then defines a colormap to plot lines with different colours. (Theare are alternate ways to do it without using the loop, however the loop is likely easiest.) Experiment with it to get the result you want.
  6 Comments
random1072
random1072 on 21 Mar 2020
this solution fixed the problem thank you.
Star Strider
Star Strider on 21 Mar 2020
As always, my pleasure!

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