### Categories

### RSS Feed

### Search NewtonExcelBach

### Archives

### Top Posts

- Commenting a block of code in VBA
- Automating chart scale limits
- Using Goal Seek on Multiple Cells
- Downloads by category
- The angle between two vectors, Python version
- Weighted Least Squares Regression, using Excel, VBA, Alglib and Python
- 2D non-linear FEA with Excel
- Solving cubic and quartic equations with Excel
- Cubic Splines
- Using LINEST for non-linear curve fitting

### Recent Comments

Brian Dolan on LatPilePY 1.04 dougaj4 on LatPilePY 1.04 Brian Dolan on LatPilePY 1.04 Asymmetric Catenary… on Using Excel Solver from V… Asymmetric Catenary… on A catenary function OliviaHoros on Commenting a block of code in… Column buckling unde… on Using Frame4Buckle with the Al… Column buckling unde… on Buckling of columns with varyi… dougaj4 on Biaxial bending update DonB on Biaxial bending update dougaj4 on Biaxial bending update DonB on Biaxial bending update DonB on Biaxial bending update Perko on Installing Adobe Reader non-DC… Python Traps | Newto… on The meaning of = in Pytho…

# Tag Archives: polynomial solution

## Solving the Lagrangian Point equation for the Moon

This post was prompted by a recent question at Fitting high order polynomials, asking for Excel methods to solve the equations for the radius of the Moon’s Lagrangian Point 1. All the methods described in this post have been added to … Continue reading

Posted in Excel, Maths, Newton, UDFs, VBA
Tagged Excel, iterative solution, Lagrangian point, Newton, polynomial solution, UDFs, VBA
3 Comments

## Linest, NPV, IRR and solving polynomials

In a comment on Using LINEST for non-linear curve fitting Lori Miller posted a formula that found the coefficients fitting a cubic polynomial curve to a set of data, then solved the resulting equation to find the X value for a given … Continue reading

Posted in Excel, Maths, Newton, UDFs, VBA
Tagged Excel, IRR, Jenkins-Traub, NPV, polynomial solution, UDF, VBA
3 Comments