Categories
RSS Feed
Search NewtonExcelBach
Archives
Top Posts
- Time in hours and minutes between two dates
- Commenting a block of code in VBA
- Solving Quadratic, Cubic, Quartic and higher order equations; examples
- Using Linest for non-linear curve fitting, examples, hints and warnings
- Weighted Least Squares Regression, using Excel, VBA, Alglib and Python
- Using LINEST for non-linear curve fitting
- Using Goal Seek on Multiple Cells
- Contour plots with Excel and Matplotlib
- Cubic Splines
- Brent's Method; Update and Examples
Recent Comments
mindOnion on Drawing a Buckyball in Ex… dougaj4 on Drawing a Buckyball in Ex… mindOnion on Drawing a Buckyball in Ex… mindOnion on Drawing in Excel 7 – Cre… Veronica Davenport on Asymmetric Catenary Function py_UMom spreadsheet… on More on combined shear and ben… Skip on xlwings – dataframes and… dougaj4 on xlwings – dataframes and… More on combined she… on RC Design Functions 9.03; comp… skip on xlwings – dataframes and… skip on mpmath for Excel dougaj4 on mpmath for Excel skip on mpmath for Excel dougaj4 on Composite Beam Spreadsheet Upd… metroxx on Composite Beam Spreadsheet Upd…
Tag Archives: Gaussian Quadrature
Evaluating Pi …
… to 15 decimal places in one easy step (or not too difficult step). In my previous post one of the examples given of the use of the Gaussian Quadrature function was to evaluate the value of Pi. Let’s look at … Continue reading
Gaussian Quadrature
The previous post on integration provided an Excel User Defined Function (UDF) to perform numerical integration using Simpson’s Rule or the Trapezoidal Rule. A third method is Gaussian Quadrature which is often much more accurate and/or quicker than Simpson’s Rule. The UDF GaussInt() … Continue reading
Posted in Excel, Maths, Newton, UDFs, VBA
Tagged Eval.xls, Excel, Gaussian Quadrature, Integration, Numerical methods, UDF, VBA
27 Comments