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Tanh graph with ±

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Kenneth Bisgaard Cristensen
评论： Star Strider 2021-3-30
Hi MATLAB Community,
How do I add ± to a,b,c,d like ing the graph?
Any help would be appriciated.
a = 95.80266;
b = -88.53938;
c = 30.84839;
d = -16.56475;
y = a+b*tanh((x+c)/d);
plot(y,tanh(x));
grid on;

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Star Strider
Star Strider 2021-3-30
That is an annotation textbox, specifically the result of Create Text Box Annotation with Multiline Text in MATLAB.
You can try usiing them, however I have always found them extremely difficult to work with, so I use text objects instead, since they are simply easier to work with.
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Kenneth Bisgaard Cristensen
Kenneth Bisgaard Cristensen 2021-3-30
Okay thanks, that was really helpful, I appriciate it.
Star Strider
Star Strider 2021-3-30
As always, my pleasure!

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