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pegor

Germany
Posts
Posted - 05/30/2005 :  09:49:11 AM  Show Profile  Edit Topic  Reply with Quote  View user's IP address  Delete Topic
Origin Version (Select Help-->About Origin): 7.5 SR4
Operating System:Windows xp

Hi,
i have 2 columns in a worksheet, x and y. i want to get the x value wich corresponds to the maximum of y value.does anybody know how to do this.
x.GetXmax(Xmax) this gives me the maximum x value,but this is not what i want, i want the x value wich corresponds to Ymax.

Thanks alot
Pegor

rlewis

Canada
253 Posts
Posted - 05/30/2005 :  09:58:12 AM  Show Profile  Edit Reply  Reply with Quote  View user's IP address  Delete Reply
The following was lifted from Origin's Programming help section


Function: xatymax
Prototype: double xatymax(Curve &crv)

Remarks: Get the value of X at the maximum Y value of a curve.

Parameters: crv=Input Origin C Curve object


Return values: Returns the value of X at the maximum Y value of a curve.


Example:
// Assumes Data1_A and Data1_B exist and contain data
Curve crv("Data1_A","Data1_B");
double dXatYmax = xatymax(crv);
printf("Value of X at maximum Y is %g", dXatYmax);


Summary: Get the value of X at the maximum Y value of a curve.
Sample data:
Header file: data.h
See also: xatymin yatxmin yatxmax xaty50

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