Category Archives: NumPy and SciPy

xlSciPy 1.01

Posted on 05/05/2015 by dougaj4

The xlSciPy spreadsheet, introduced here, has been updated with many new functions.  The new version, including full open source code (VBA and Python) can be downloaded from: xlSciPy.zip The spreadsheet requires Python to be installed, including NumPy and SciPy.  It … Continue reading →

Posted in Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , | Leave a comment

Numpy and Scipy for Excel

Posted on 14/12/2014 by dougaj4

The Python Numpy and Scipy libraries contain a huge number of maths and science related functions.  Most of these are not directly available from Excel, but using the free ExcelPython package it is fairly easy to make the link, vastly increasing … Continue reading →

Posted in Excel, Link to Python, Maths, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , | 11 Comments

ExcelPython2, Alglib and Spline-Matrix Rel 2.03

Posted on 06/10/2014 by dougaj4

Following a comment here: ExcelPython2, Alglib and Spline-Matrix update I have updated the VBA and Python code, and added a missing Python module to the download zip file.  See the earlier post for details of installation and use, or download the revised files … Continue reading →

Posted in AlgLib, Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, UDFs, VBA | Tagged , , , , , , | Leave a comment

Evaluating text and Integration with Python and ALGLIB

Posted on 07/07/2014 by dougaj4

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 , , , , , , | 1 Comment

Data Transfer to Python – Update

Posted on 08/06/2014 by dougaj4

As noted in the comments here, the main bottleneck in the Python matrix solver functions presented recently was not in the data transfer from Excel, but rather in the creation of the Numpy arrays for very long lists of short … Continue reading →

Posted in Arrays, Excel, Frame Analysis, Link to Python, NumPy and SciPy, VBA | Tagged , , , , , | 4 Comments