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 curves vertically shifted in log scale
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mej

Albania
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Posted - 11/08/2004 :  07:55:21 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version 6.1 Pro
Operating System:win 2000

Hi everybody,

I want to vertically shifted 10 time decay curves (~exp(t/tau) to avoid their overlap (in y log type scale, so 10 lines)but Origin does not carried out this operation correctly (The lines are deteriorated)
N.B. all values in the worksheet are positive.
Thanks

easwar

USA
1965 Posts

Posted - 11/09/2004 :  09:31:57 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Not sure what you mean by "lines are deteriorated" - could you post an image of the graph here? (You can do this by clicking on the "Insert Image" button in the Format group). Otherwise, please contact tech support with your Origin Project.

Easwar
OriginLab

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mej

Albania
Posts

Posted - 11/10/2004 :  04:23:07 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply

Hi Easwar
Here my file

[/quote]

the left image is the non shifted line in log scale
the right image is the shifted line in log scale (lines becomes a curves)

Mej
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easwar

USA
1965 Posts

Posted - 11/10/2004 :  12:27:53 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi Mej,

If the two plots come from two datasets that just differ in scale (such as one is 10 times the other), then the plots should look exactly the same - only the y scale would be different. So I am not sure what the problem is.

Do you have speed mode on in one graph and off in the other? That could potentailly create such an effect. If this is not it, then you need to contact tech support, send them your OPJ with your exact version number etc.

Easwar
OriginLab


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mej

Albania
Posts

Posted - 11/12/2004 :  10:38:32 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Ok, thank you Easwar
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