3
$\begingroup$

I could not find something similar. Suppose that I want the lines y=1 and x=1. I can do it with Plot and Epilog or GridLines. But how can I insert the representation of the vertical line in a legend that contains also the function y=1?

P.s. I am writing the message with the mobile phone. No access to Mathematica right now.

Improve this question
$\endgroup$

2 Answers 2

Reset to default
8
$\begingroup$

You can use ContourPlot

ContourPlot[
 {x == 1, y == 1, (x - 1)^2 + (y - 1)^2 == 1},
 {x, 0, 2}, {y, 0, 2},
 PlotLegends -> "Expressions"]

enter image description here

Improve this answer
$\endgroup$
5
$\begingroup$

There's also this hacky way:

Plot[{1, 100 Sign[x - 1]}, {x, -3, 3}, PlotRange -> {{0, 2}, {0, 2}}, 
 PlotStyle -> {Blue, Red}, ExclusionsStyle -> Red, AspectRatio -> 1, 
 PlotLegends -> {"y=1", "x=1"}]

enter image description here

Improve this answer
$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.