Add multiple y axes to a plot

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Cliff Karlsson
Cliff Karlsson 2018-9-17
回答： Adam Danz 2018-9-17
How can I add several y-axes to the following plot? I want one y-axis for each data category (MPG, Horsepower...) that is also scaled to each categories max value.
clear
load carbig.mat
colors = [[0 0 0]; [0 0 0]; [1 0 0]; [0 1 0]; [1 0.5 0]; [1 0 1]; [0 0 0]; [0 0 1]];
data = [MPG Horsepower Weight Acceleration Displacement Cylinders*500];
labels = {'MPG', 'Horsepower', 'Weight', 'Acceleration', 'Displacement', 'Cylinders'};
lineobjects = parallelcoords(data, 'Labels',labels)

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回答（1 个）

Adam Danz
Adam Danz 2018-9-17
plotyy() creates a plot using the left and right axes. To have more than 2 axes, start by reading this blog by Loren. In addition to those resources, I'll add another option and that is to overlay a transparent axis the same size and location as your main axis. That gives you two more y axes where you can apply the plotyy() function.
https://blogs.mathworks.com/loren/2013/03/27/multiple-y-axes

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