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hohenbst

1 Posts
Posted - 04/28/2011 :  2:34:53 PM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Hi there.

Here's what I want to do:
I have a diagram of y: concentration to x: space (at% / m).
In this diagram I want to set the so called Matano plane.
http://lp.uni-goettingen.de/get/image/7122
This plane is defined as the point, where the area above the line and left to the plane is the same as right to it and below.
So the first step is the area above and left, which simly is the integral of the diagram turned top to bottom.
The second step is where my problem lies. I need to know, how I run my integration backwards, starting from the highest x value downwards.
Sadly, I wasn't able to find out how to do this myself.

help?

Hideo Fujii

USA
1582 Posts
Posted - 04/29/2011 :  11:14:04 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
In Origin's Integrate gadget, you can specify the specific Y value as the baseline. You can simply get its absolute value.

I hope this works.

-Hideo Fujii
OriginLab
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