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yasodha

2 Posts

Posted - 04/07/2012 :  08:15:05 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hello,
I am using Origin ver8. I am trying to plot 1/T power 1/4 versus resistivity along y-axis.Here T is the temperature. But at the same time, the corresponding T should me indicated in the top x-axis with the same interval of data as in 1/T power 1/4. I tried many possible roots. But nothing worked out. Please suggets some ways to solve this problem. Expecting possible solutions.
Thanks in advance.
yasodha

Kathy_Wang

China
145 Posts

Posted - 04/09/2012 :  11:31:27 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,
You may do the following:
1, plot a graph with your XY data (in which X is the (1/T)^(1/4) and Y is the resistivity), suppose this is graph 1;
2, double click on the x axis in graph1 to bring up the axis dialog, go to "Title&Format" tab;
3, select the "top" axis and check the "show axis and ticks" box, click "apply" and the top X axis should be shown in the graph(but without tick labels yet);
4, go to the "Tick Labels" tab, for the top axis, check the box before "Show Major Labels", to show the major labels as numeric.
5, close the axis dialog, and go to the command window; (Normally it should be open when you launched your origin, but if it is not, you may open it by choosing "Window:Command Window" or use the short key "Alt+3")
6, in the command window, use the following script:
layer.x2.label.formula$ = "1/(x^4)"

This will place labels on the top X axis, at the same positions corresponding to labels in the bottom X axis, and these new labels will represent values that are computed using the specified formula. And the formula "1/(x^4)" is the one you used to calculate T value from (1/T)^(1/4).
At last, you should have a plot similar to the following figure,

Hope this information helps!

Kathy
Originlab

Edited by - Kathy_Wang on 04/09/2012 11:33:39 PM
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yasodha

2 Posts

Posted - 04/14/2012 :  10:48:38 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Wow! Thanks a lot .

Your suggestion worked out. I could get it easily.

Thanks a lot again .

yasodha
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