Problem with plotting a 2D graph

2014 4 3
2 个回答
更新时间：2014 4 4
1 次查看（30 天）

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Hi :) ,
I have problem when I plot a graph. The graph goes from right to left ! while it should go from left to right . That means my X-axis is reversed. When I tick the Reverse box for the X-axis in the axis properties, it goes on the right way ( from left to right ).
But the problem is that when I plot any graph again, it goes from right to left again :( .
How can I make it always goes from left to right !!
Thanks for reading and your help is appreciated ^_^ .
H.MBK

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回答（2 个）

Star Strider
Star Strider 2014-4-3

0 个投票

From the Axis Properties documentation:
set(gca,'XDir','reverse')

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Joseph Cheng
Joseph Cheng 2014-4-3
whilst that will work this time however from his question it looks like it is a permanent thing for all things he is trying to plot. Odd since i cannot find a preference or configuration to do such a thing.
Joeph is right . It only work this time :( .
Star Strider
Star Strider 2014-4-3
Please post relevant parts of your code. Posting images or ‘.fig’ files of your plots as they appear and as you would like them may also help. Something is obviously wrong somewhere.
Hi Star Strider , OK (Y) I did :)
Star Strider
Star Strider 2014-4-3
Thank you for uploading the plots.
It is plotting correctly, with monotonically-increasing values of Input on the x-axis. If you want the axes reversed, you have to add:
set(gca,'XDir','reverse')
in each plot in which you want them reversed, as I mentioned originally.

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Dishant Arora
Dishant Arora 2014-4-3

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get(gca,'Xdir') % see what it says, it must be reversed
set(gca,'Xdir','normal') % sets the axis back to normal

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it only works this time but the problem back again in other graphs ! as i said in the question :(
Dishant Arora
Dishant Arora 2014-4-3
编辑：Dishant Arora 2014-4-3
The way it appears is perfectly right it's not reversed it's normal see x tick values increases from left to right . Your function value decreases as x increases, it is defined like this only. But if you want it reversed, do the following
set(gca, 'Xdir', 'reversed')
Hassan Al-Mubarak
编辑：Hassan Al-Mubarak 2014-4-3
ahaaaaaaaaaa
its a problem with the code ( it is too long I forgot to change the values order with this new computer >_< , so I thought there is a problem in this computer ) ... Thanks all
I really appreciate your help
god bless you ^_^
Thanks :)
Image Analyst
Image Analyst 2014-4-4
编辑：Image Analyst 2014-4-4
Please mark the best Answer as "Accepted". You can only "Accept" one.

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