How to fit Birch-Munaghan in OriginLab

Thread starter elsafo
Start date Jan 12, 2015
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In summary, to import the Birch-Munaghan equation into OriginLab, open a new workbook, click on "Analysis" and "Nonlinear Curve Fit", search for "BirchMunaghan" in the "Function" tab, and select it. To use the equation for fitting data, enter the data in a worksheet, click on "Analysis" and "Fitting", select "BirchMunaghan" in the "Function" tab, and click "Fit". To customize the parameters, right-click on the equation and select "Set Values", and to plot the fitted curve, right-click on it and select "Plot Setup". To export the curve, select it on the graph, click on "File" and

Jan 12, 2015

elsafo

Hello, I need to do fitting using Birch-Murnaghan equation to determine the equilibrium lattice constant. I want to use originlab, anyone can help me?

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Jan 14, 2015

Hyo X

http://www.originlab.com/forum/

http://en.wikipedia.org/wiki/Birch–Murnaghan_equation_of_state

Related to How to fit Birch-Munaghan in OriginLab

1. How do I import the Birch-Munaghan equation into OriginLab?

To import the Birch-Munaghan equation into OriginLab, follow these steps:
1. Open OriginLab and create a new workbook.
2. Click on "Analysis" and then "Nonlinear Curve Fit".
3. In the "Function" tab, type "BirchMunaghan" in the search bar.
4. Select the "BirchMunaghan" equation from the list of functions.
5. Click on "OK" to import the equation into your workbook.

2. How do I use the Birch-Munaghan equation to fit my data in OriginLab?

To use the Birch-Munaghan equation to fit your data in OriginLab, follow these steps:
1. Enter your data into a worksheet in OriginLab.
2. Click on "Analysis" and then "Fitting" to open the Nonlinear Curve Fit dialog box.
3. In the "Function" tab, select "BirchMunaghan" from the list of functions.
4. Click on "Fit" to apply the equation to your data and generate a curve.

3. How do I customize the parameters in the Birch-Munaghan equation in OriginLab?

To customize the parameters in the Birch-Munaghan equation in OriginLab, follow these steps:
1. After importing the equation into your workbook, click on the equation to select it.
2. Right-click on the equation and select "Set Values".
3. In the "Set Values" dialog box, you can change the values for the parameters in the equation.
4. Click on "OK" to save your changes.

4. How do I plot the fitted curve from the Birch-Munaghan equation in OriginLab?

To plot the fitted curve from the Birch-Munaghan equation in OriginLab, follow these steps:
1. After fitting the equation to your data, right-click on the fitted curve and select "Plot Setup".
2. In the "Plot Setup" dialog box, you can customize the appearance of the curve, such as its color and line style.
3. Click on "OK" to apply the changes and plot the curve on your graph.

5. How do I export the fitted curve from the Birch-Munaghan equation in OriginLab?

To export the fitted curve from the Birch-Munaghan equation in OriginLab, follow these steps:
1. Make sure the curve is selected on your graph.
2. Click on "File" and then "Export".
3. In the "Export" dialog box, select the desired file format (such as JPEG or PDF) and specify the file name and location.
4. Click on "Export" to save the curve as an image or file.