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My piecewise function graph is not showing

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John Grand
John Grand on 25 May 2021
Commented: Asmit Singh on 26 May 2021
I'm trying to plot the the function below, here is what I have
f(x) = 2x x ∈ [0, 0.5]
2x − 1 x ∈ (0.5, 1]
syms x
f(x)=piecewise((0<=x)&(x<=0.5),2*x,(0.5<=x)&(x<=1),2*x(-1),6);
fplot(f(x));
grid on;

Accepted Answer

Asmit Singh
Asmit Singh on 25 May 2021
It is my understanding that you need to visualize the function you have provided as text, ie
The code that you have provided, mentions 2*x(-1) instead of 2*x-1. The following code illustrates the changes :
syms x
f(x)=piecewise((0<=x)&(x<=0.5),2*x,(0.5<=x)&(x<=1),2*x-1,6);
fplot(f(x));
grid on;
  2 Comments
Asmit Singh
Asmit Singh on 26 May 2021
The 6 at the end denotes the value of the functions, when none of the conditions are matched, I assumed that it was your default value. You can have a look at the documentation for the piecewise function for further details.

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