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 Displaying complex numbers origin 9		  New Topic  Reply to Topic
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ar346

1 Posts
Posted - 11/06/2012 :  10:37:49 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi
I am struggling to display complex numbers in my evaluation version of origin 9. I have the numeric and complex(16) properties enabled.
Thanks

greg

USA
1378 Posts
Posted - 11/06/2012 :  4:24:56 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
While you can display complex numbers in a column, there is not much you can do with these numbers other than some simple math.

Here is the template for entering complex values:
<sign><real part><sign><imaginary part>i
So if you have three columns of complex with column A of
1.2345+5.6789i
and column B of
8.7654-5.6789i
and you set col(c) = col(a) + col(b)
then you get 9.9999 in c because the imaginary cancels out.
Edited by - greg on 11/06/2012 4:25:32 PM
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snowli

USA
1386 Posts
Posted - 11/27/2012 :  3:48:02 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Since 8.6, in Set Column Values dialog (right click a column and choose Set Column Values... context menu), there are some Common Complex functions to use. They are under F(X): Complex: menu.
E.g.
Imabs( )
Imaginary( )
Imargument( )
Imconjugate( )
Imcos( )
etc.

Thanks, Snow Li
OriginLab Corp.
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