symmetry x axis y axis plotting

Question

ljaseon 2021-5-11

评论： ljaseon 2021-5-12

i have a problem to plotting something i have a code but code is so complex that i didnt bring that code

i just uploaded the picture the situation that what i want it

i have a code that shows in 1 region when plotting figure shows to quarter region

but what i want it is to full region like this picture

,what i want it is to shown origin and symmetryed region at the same figure

symmetry x axis ,y axis

how can do I? what function or what command i should input?

Answer 1

Bob Thompson 2021-5-11

Without seeing the code I can't be very specific. Something like the following should work:

figure
hold on
plot(zone1x,zone1y)
plot(-zone1x,zone1y)
plot(zone1x,-zone1y)
plot(-zone1x,-zone1y)

I think you might also be able to put them all in one plot command, but I don't do that very often, or at least reduce the number of calls.

plot(zone1x,zone1y,-zone1y)
plot(-zone1x,zone1y,-zone1y)

ljaseon 2021-5-12

Thanks for helping !! i got it !!