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 A "set column values" bug		  New Topic  Reply to Topic
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rainbowkoala

29 Posts
Posted - 12/25/2013 :  08:29:54 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): OriginPro 8.5.0 SR1
Operating System: win7
Hello,
I hope you can help me with the following problem:
I used the Set Values dialog box to define a mathematical formula ※ln(Col("c")/(2*3.14))§ to generate a data set in Col("R3"). However, Oringin computed the same column value -1.50342 from the three different values 1.39647/0.91439/0.66826 in Col("R2").
as in the following screenshot:
I just want to know why this problem happen and how to avoid it. Because I usually use the Set Values dialog box to define a mathematical formula to generate a data set.
Thanks for your help.

Castiel

343 Posts
Posted - 12/25/2013 :  09:08:37 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
I think col(R3) is calculated from col(I) rather than col(R2). Have a try of "ln(col(R2)/(2*3.14))"?

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rainbowkoala

29 Posts
Posted - 12/26/2013 :  7:41:57 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi, Castiel
Thank you very much, you are right. The key is that one long name may correspond to different columns.
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