Category Archives: NumPy and SciPy

Scipy Statistics Functions – coding and getting help

Posted on 10/07/2018 by dougaj4

The Python Scipy library currently has 84 statistics functions.  I have now updated the xlwSciPy3 spreadsheet to access all of them directly from Excel.  The new version can be downloaded from: xlwSciPy3.zip As usual, the download includes full open-source code.  … Continue reading →

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

Passing variable argument lists from Excel to Python via xlwings

Posted on 08/06/2018 by dougaj4

When calling a Python function it is sometimes necessary to pass a variable number of arguments.  Examples from the xlw_Scipy spreadsheet include: Curve fitting functions, for which the functions to be fitted may have any number of arguments. The Scipy … Continue reading →

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, UDFs, VBA, xlwings | Tagged , , , , , , , , | 2 Comments

More Numpy with Excel and xlwings

Posted on 24/05/2018 by dougaj4

The spreadsheet presented in the last post on sorting also includes links to many other Numpy functions.  The spreadsheet and associated Python file can be downloaded from: xlNumpy.zip The Numpy functions require xlwings and Numpy to be installed, which are included in … Continue reading →

Posted in Arrays, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA, xlwings | Tagged , , , , , , , , , , | 2 Comments

Sorting with Python and Numpy

Posted on 19/05/2018 by dougaj4

Following the previous post, lets look at sorting functions in the Numpy library. The spreadsheet xlwNumpy links to a variety of Numpy functions, including the sorting functions described below.  The spreadsheet and associated Python code can be downloaded from: xlNumpy.zip … Continue reading →

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, UDFs, VBA, xlwings | Tagged , , , , , , , | 1 Comment

IP2_py Update for Python3

Posted on 28/04/2018 by dougaj4

The spreadsheet IP2_py provides a large number of geometric functions, including intersection points of lines, circles and planes, interpolation, rotations, and converting between coordinate systems.  Many of the functions are available in VBA and Python versions.  The Python code has now … Continue reading →

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