Multiple Lines in a Stacked Plot

2023 11 21
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I'd like to have 3 different vectors plotted onto 2 graphs within a stacked plot. For example, I wish to plot vectors a and b in the first graph of the stacked plot and variable c on the second graph, with the x-axis of the stacked plot being another vector, t. How would I be able to do that?

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Dyuman Joshi
Dyuman Joshi 2023-11-21
移动：Dyuman Joshi 2023-11-21
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Ran in:
If you are working with R2018b or a later version, check out stackedplot
%Random data
n = 10;
t = (1:n).';
a = zeros(n,1);
b = ones(n,1);
c = rand(n,1);
data = table(t, a, b, c)
data = 10×4 table
t a b c __ _ _ ________ 1 0 1 0.89507 2 0 1 0.099055 3 0 1 0.70476 4 0 1 0.65991 5 0 1 0.78316 6 0 1 0.80992 7 0 1 0.32504 8 0 1 0.10411 9 0 1 0.6188 10 0 1 0.34006
vars = {["a" "b"], "c"};
stackedplot(data, vars, "XVariable", "t")

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Felipe Dicker
Felipe Dicker 2023-11-21
It worked! An additional question: how can I change the visual properties (say, color) of those lines on the first lot individually? I can only seem to change the color of both a and b.
Dyuman Joshi
Dyuman Joshi 2023-11-21
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Ran in:
You can access the properties of the stackedplot by getting the StackedLineChart Properties object and then modifying as per need/requirement/liking -
%Random data
n = 10;
t = (1:n).';
a = zeros(n,1);
b = ones(n,1);
c = rand(n,1);
data = table(t, a, b, c)
data = 10×4 table
t a b c __ _ _ _______ 1 0 1 0.92642 2 0 1 0.16481 3 0 1 0.16602 4 0 1 0.72322 5 0 1 0.89256 6 0 1 0.54806 7 0 1 0.49016 8 0 1 0.643 9 0 1 0.66422 10 0 1 0.29326
vars = {["a" "b"], "c"};
s = stackedplot(data, vars, "XVariable", "t");
arr = s.LineProperties
arr =
2×1 StackedLineProperties array with properties: Color MarkerFaceColor MarkerEdgeColor LineStyle LineWidth Marker MarkerSize PlotType
%Get the color of the first plot
col = arr(1).Color
col = 2×3
0 0.4470 0.7410 0.8500 0.3250 0.0980
%Change the color of the first plot
new_col = hsv(size(col,1))
new_col = 2×3
1 0 0 0 1 1
arr(1).Color = new_col;
Felipe Dicker
Felipe Dicker 2023-11-21
Works great, thank you so much!

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