The Origin Forum
File Exchange
Try Origin for Free
The Origin Forum
Home | Profile | Register | Active Topics | Members | Search | FAQ | Send File to Tech support
Username:
Password:
Save Password
Forgot your Password? | Admin Options

 All Forums
 Origin Forum
 Origin Forum
 derivative of 100 values
 New Topic  Reply to Topic
 Printer Friendly
Author Previous Topic Topic Next Topic Lock Topic Edit Topic Delete Topic New Topic Reply to Topic

taliro

Israel
1 Posts

Posted - 06/03/2016 :  07:26:13 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
hi everyone
I have a graph that i made and includes a lot of values, and therefor looks like a totlal mess. i want the origin to find the derivative of every 100th value(100,200..) and use only them to build the graph
does anyone know how to do it?
thanks alot!

taliro

Chris D

428 Posts

Posted - 06/03/2016 :  1:27:07 PM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
Hi,

One option is as followings:
1) Add a new column.
2) In the new column, create a Set Column Values formula, the F(x) row, as:

mod(i,100)==0?derivative(col(B),1):0/0

Where B is the short name of your Y data column you want to take the derivative of and the 1 is the order of the derivative.

That will assign the derivative of column B for every 100th row to the new column.

Then plot that new column.

If you are using a Line or Line + Symbol plot, you will have to open the Plot Details dialog. At the page level in the dialog, select the Display tab and check "Connect lines across Missing Data".

See if that works for you.

Thanks,
Chris Drozdowski
Originlab Technical Support
Go to Top of Page
  Previous Topic Topic Next Topic Lock Topic Edit Topic Delete Topic New Topic Reply to Topic
 New Topic  Reply to Topic
 Printer Friendly
Jump To:
The Origin Forum © 2020 Originlab Corporation Go To Top Of Page
Snitz Forums 2000