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# Tag Archives: Integration

## xlSciPy – Python SciPy for Excel; Update with new functions

The xlSciPy spreadsheet, previously described here, has been updated with new functions for integration, finding equation roots and maxima and minima, solving systems of non-linear equations, and evaluation of equations entered as text. The new version (including full open-source VBA … Continue reading

Posted in Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, UDFs, VBA
Tagged Excel, ExcelPython, Integration, minimization, Python, root finding, SciPy, SciPy.optimize, solvers, UDF, VBA
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## Evaluating text and Integration with Python and ALGLIB

Following the previous post on evaluating mathematical functions entered as text on the spreadsheet, I have now written a spreadsheet with similar functionality using Python functions, and the Excel-Python add-in. Also included are integration functions using the SciPy Python library, … Continue reading

Posted in AlgLib, Arrays, Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, UDFs, VBA
Tagged AlgLib, evaluation of text strings, Excel, Integration, Python, SciPy, VBA
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## 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