How to plot f(x) =|x| in matlab
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Hi I am trying to make this plot which requires this graph, learning matlab more and more, can someone help me to learn this?
Thanks!
Neo
1 commentaire
Stephen23
le 6 Fév 2017
Modifié(e) : Stephen23
le 6 Fév 2017
@Neo: you might like to read this:
MATLAB has comprehensive, readable documentation. Learn how to browse it, how the links work, how it is arranged by topic. And then use the documentation every time you are writing some code: how does it work, what inputs does it need, what edge cases to be aware of ?
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Adam
le 6 Fév 2017
Modifié(e) : Adam
le 6 Fév 2017
doc abs
doc plot
The rest is trivial. I assume you know how to create a variable. You just need to create one for x and one for absX and then plot them against each other.
I'm sure someone will come along and obligingly post a fully working answer, but if you want to learn then taking tips and working it out for yourself works better generally.
2 commentaires
Adam
le 6 Fév 2017
Yes, that should do the job.
doc linspace
!!
Will tell you the answers to these things. Matlab has the best documentation of any software I have used and far better than other programming languages. Make full use of it.
I can't remember off-hand how many values default linspace gives you, probably 100, but I always use the 3rd argument to specify how many I want anyway.
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