Issue with plotting variables with ranges

Question

bella bridges 2021-4-3

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/791409-issue-with-plotting-variables-with-ranges

评论： bella bridges 2021-4-3

Hi, I am trying to plot these three equations. They should form a sort of triangle. The main issue I am having is trying to enter the equations, which have variables with ranges.

% x is x/c
assume(0<=x<=.1)
Cpu1=1-300*(x)^2

Here is me trying the first one, but it doesn't give me any values. Not sure the best way to do this. Any help would be greatly appreciated!

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Answer 1

Sulaymon Eshkabilov 2021-4-3

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/791409-issue-with-plotting-variables-with-ranges#answer_665794

在 MATLAB Online 中打开

Here is how to start this:

N = 200;               % Number of data points to be genearted and calculated to plot
xc=linspace(0, .1, N);
Cpu=1-300*xc.^2;
xc2 = linspace(.101, 1, N);
Cpu2 = -2.777+2.777*xc2;
xc3 = linspace(0, 1, N);
Cl = 1-.95*xc3;
% the rest is to plot the above data
plot(xc, Cpu, 'b-o'), hold on;
plot(xc2, Cpu2, 'r-x')
plot(xc3, Cl, 'k-')