How to switch to this graph? Mathematical question
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Elia Paini
el 3 de Nov. de 2021
Comentada: Star Strider
el 6 de Nov. de 2021
Hi, I have a bit complicated question about a way to obtain a graph from a set of data.
I have a code that return a solution of three variables, related to solving a system of several equations.
For example, Matlab output is like the following:
a = [1 0.2 0.2];
b = [0 0.4 0.4];
c = [0 0.4 0.4]; which are plotted on distance x = [0 0.5 1];
a, b, c represent three volume fractions, with the constraint that sum over a column is 1 (on the left of the figure).
However, for an easier understanding, I need a graphic representation showing not the absolute values of those fractions, but their distribution (on the right).
I know it's likely a "mathematical question" than "Matlab question", but I don't know how to proceed.
I need an appliable strategy on any solution, not this one in particular.
Thanks for your help!!
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/788725/image.jpeg)
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Star Strider
el 3 de Nov. de 2021
Try this —
x = [0 0.5 1];
a = [1 0.2 0.2];
b = [0 0.4 0.4];
c = [0 0.4 0.4];
figure
patch([x flip(x)], [c zeros(size(c))], 'g', 'FaceAlpha',0.75)
hold on
patch([x flip(x)], [b ones(size(a))], 'r', 'FaceAlpha',0.75)
patch([x flip(x)], [b flip(a+c)], 'b', 'FaceAlpha',0.75)
hold off
text([1 1 1]*0.8, [0.2 0.5 0.8], compose('%c',['c','a','b']), 'FontWeight','bold')
.
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