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 Forum for Origin C
 Definition of a new function
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Carolyne23

Italy
1 Posts

Posted - 07/09/2014 :  10:55:49 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hey everybody,
this is my first time on this forum and I'm writing because I have a problem. I have to fit my data with a complicated function.
Parameters: alpha, T1
y= sum (i: from 1 to 150)[cos(alpha)^(i-1)](1-cos(alpha))exp(-ix/T1)

How can I write the summation in origin C/ with the Code Builder?
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