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 Adding function curve to scatter plot		  New Topic  Reply to Topic
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maric001

Germany
5 Posts
Posted - 10/01/2014 :  06:26:32 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Ver. and Service Release (Select Help-->About Origin): 9.1 SR3 64bit
Operating System:Win7

Hi there,

i'm sure it is an easy task but i am stuck:

Writing a labtalk script for a standard scatter plot (this works) and want to plot in the same layer a function curve (this i need for sure) where the formula is coming from a certain cell (this is optional).

No fitting needed ,and the axis scale should not change with regards to the scatter data.

lkb0221

China
497 Posts
Posted - 10/01/2014 :  11:20:59 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

Please see the following example:

// Begin
// Assuming you've already created a scatter plot
// Assuming the graph window is active
create mydata -fp 500 "t*cos(t)" $(X1) $(X2); // Creates a loose dataset called mydata with the same X range as current axis, number of points be 500, by formula t*cos(t)
plotxy iy:=mydata plot:=200 rescale:=0 color:=2 ogl:=[%H]1!;
// End

For more infomation, please see the create cmd page:
http://www.originlab.com/doc/LabTalk/ref/Create-cmd

Zheng
OriginLab
Edited by - lkb0221 on 10/01/2014 11:28:24 AM
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