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get plotyy second axis handle

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Zakary Stone
Zakary Stone 2011-4-13
I know I can get the second axis handle for plotyy with
[AX,~,~] = plotyy(x1,y1,x2,y2)
and the handle is AX(2) but i use the plotyy function inside another function so AX is deleted because its a local variable
when i use gca (after running the function) in the command window I get what would be AX(1)
So my question is how to get the second axis handle after running the function

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采纳的回答

Paulo Silva
Paulo Silva 2011-4-13
AX=findall(0,'type','axes');
AX(2) %what you are looking for?!
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Zakary Stone
Zakary Stone 2011-4-14
actually using
AX=findall(0,'type','axes')
what i am looking for is
AX(1)
thanks
Paulo Silva
Paulo Silva 2011-4-14
You can compare the handles
AX=findall(0,'type','axes');
if AX(1)==gca
MySecondAxes=AX(2)
else
MySecondAxes=AX(1)
end
MySecondAxes %the handle you are interested in (not the current axes)

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更多回答（2 个）

Jarrod Rivituso
Jarrod Rivituso 2011-4-13
This also would work:
secondAxes = findobj('Type','axes','Color','none')
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Zakary Stone
Zakary Stone 2011-4-14
thanks for the explanation
this is exactly what i need(now that i know how it works)
sorry that i already gave the accepted answer check
Paulo Silva
Paulo Silva 2011-4-14
All the solutions provided work just fine :)

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Zakary Stone
Zakary Stone 2011-4-13
thanks for your responses i don't know whether your answers are right or wrong because i am still learning the the program and i'm not familiar with the functions you used
however i after continuing to reading through t help files i found a solution
get(gcf,'children')
this gives me a list of the handles
thanks

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