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 Square root function does not work		  New Topic  Reply to Topic
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Vesnog

Turkey
6 Posts
Posted - 05/23/2013 :  07:56:25 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. 8 and Service Release 0:
Operating System: Windows 7 64-bit
Hello everyone,

My purpose is to take the square root of a column and I use Set Column Values box in order to do so. However, after I write the function and set recalculate mode to automatic no entry is displayed in the target column. The column that I take the square root of consists of tiny complex numbers by the way ( i is used to denote the imaginary part). What may be causing the problem and what is the possible remedy? All suggestions are welcome.

Thanks in advance

meili_yang

103 Posts
Posted - 05/23/2013 :  09:46:35 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Origin 8 should support complex numbers. Open column properties, set Format to be Numeric, Data Type to be Complex(16).

Origin 9 has default complex functions when you set column value. I couldn't find one in Origin 8. So you might need to use some programming to do complex calculations. Here is some instruction:
http://wiki.originlab.com/~originla/ltwiki/index.php?title=LabTalk:ImSqrt_%28function%29

Let me know how it works.

Regards,


Meili
OriginLab
Edited by - meili_yang on 05/23/2013 10:21:31 AM
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Vesnog

Turkey
6 Posts
Posted - 05/23/2013 :  10:45:48 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Thanks for the reply. When I changed the formatting to "numeric" from "text and numeric" and changed the data type to "complex" some of the issues got solved. However the real square root function does not display the complex part of the square root and hence I cannot retrieve some important information. I am not that familiar with OriginPro by the way.
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meili_yang

103 Posts
Posted - 05/23/2013 :  12:26:14 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Try this:
http://ocwiki.originlab.com/index.php?title=OriginC:Sqrt_%28global_function%29#Examples


quote:
Originally posted by Vesnog

Thanks for the reply. When I changed the formatting to "numeric" from "text and numeric" and changed the data type to "complex" some of the issues got solved. However the real square root function does not display the complex part of the square root and hence I cannot retrieve some important information. I am not that familiar with OriginPro by the way.


Meili
OriginLab
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meili_yang

103 Posts
Posted - 05/23/2013 :  12:34:15 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
And this may also help:
http://www.originlab.com/pdfs/nagcl07/manual/pdf/a02/a02_intro.pdf

quote:
Originally posted by Vesnog

Thanks for the reply. When I changed the formatting to "numeric" from "text and numeric" and changed the data type to "complex" some of the issues got solved. However the real square root function does not display the complex part of the square root and hence I cannot retrieve some important information. I am not that familiar with OriginPro by the way.


Meili
OriginLab
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Vesnog

Turkey
6 Posts
Posted - 05/23/2013 :  1:27:00 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Well thanks but I am not proficient at programming much. Do you have any other suggestion?
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meili_yang

103 Posts
Posted - 05/23/2013 :  2:10:58 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Sorry I don't know how to do that without programming in Origin 8.0. You might try Excel. Or use F(x) functions from Set Column Values in Origin 8.6 or upper version.

quote:
Originally posted by Vesnog

Well thanks but I am not proficient at programming much. Do you have any other suggestion?


Meili
OriginLab
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