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Adding a second y-axis to a plot

Posted 2011年6月22日 GMT-4 22:10 Results & Visualization 6 Replies

oren
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Perhaps I've over looked something, but I can't figure out how add a second y-axis to a plot. I'm specifically interested in adding a right hand axis.

I've got a plot of two variables and would like to show their ratio on the same plot. It makes no sense to have the same y-axis for the variables as their ratio because the units are different and the scale is completely inappropriate.

Export the data and then plot in Matlab is the best solution I've found. Is there a better one?


Thanks.

O
6 Replies Last Post 2017年3月29日 GMT-4 14:44
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Hello oren

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Jordan Blimbaum
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Posted: 1 decade ago 2011年7月26日 GMT-4 13:33
i would also like to know the answer to this
i would also like to know the answer to this
Kris Carlson
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Posted: 1 decade ago 2012年11月13日 GMT-5 14:19
As a workaround, you can multiply one of the variables to re-scale it in accord with the range of the other variable. For example, I want to display the gradient of potential in the y-direction along with the 2nd derivative just to show the spatial difference between the two (in my case the second scale would be nice to have but not essential) and I need a factor of ~250 to get them in the same range. So one plot is of Vy*250 while the other is Vyy.
As a workaround, you can multiply one of the variables to re-scale it in accord with the range of the other variable. For example, I want to display the gradient of potential in the y-direction along with the 2nd derivative just to show the spatial difference between the two (in my case the second scale would be nice to have but not essential) and I need a factor of ~250 to get them in the same range. So one plot is of Vy*250 while the other is Vyy.
Arno Arzberger
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Posted: 8 years ago 2016年11月10日 GMT-5 04:21
is there a new solution in 5.2a?
is there a new solution in 5.2a?
René Christensen
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Posted: 8 years ago 2016年11月10日 GMT-5 06:21
At a COMSOL conference in Munich a couple of weeks ago this topic came up: It is on the agenda, but has been so for a loooong time.
At a COMSOL conference in Munich a couple of weeks ago this topic came up: It is on the agenda, but has been so for a loooong time.
Mark Harradine
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Posted: 8 years ago 2016年11月15日 GMT-5 08:25
Just wanted to add a vote for this feature! I have often wondered if this could be possible. A workaround is to normalise the plots against the max and min values, but that is a chore...
Just wanted to add a vote for this feature! I have often wondered if this could be possible. A workaround is to normalise the plots against the max and min values, but that is a chore...
Jeff Hiller COMSOL Employee

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Posted: 8 years ago 2017年3月29日 GMT-4 14:44
This feature will be added at version 5.3, which is just around the corner.
Watch the release highlight webinar:
4/4 at 8am Eastern: www.comsol.com/events/webinar/Introducing-COMSOL-Multiphysics-and-COMSOL-Server-53-28972
4/4 at 2pm Eastern: www.comsol.com/events/webinar/Introducing-COMSOL-Multiphysics-and-COMSOL-Server-53-28982
Best,
Jeff
This feature will be added at version 5.3, which is just around the corner. Watch the release highlight webinar: 4/4 at 8am Eastern: https://www.comsol.com/events/webinar/Introducing-COMSOL-Multiphysics-and-COMSOL-Server-53-28972 4/4 at 2pm Eastern: https://www.comsol.com/events/webinar/Introducing-COMSOL-Multiphysics-and-COMSOL-Server-53-28982 Best, Jeff

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