Category Archives: Arrays

Scipy Functions with Excel and pyxll 7 – Linear Algebra

Posted on January 1, 2024 by dougaj4

This post looks at linking Excel to the Scipy linear algebra functions using pyxll, and also using the PyPardiso solver. Previous posts on this topic include: The pyLinAlgfuncs3 spreadsheet, with associated Python code in pyLinalgfuncs3.py and pyScipy3.py, are included in the … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , , , , , | Leave a comment

Scipy functions with Excel and pyxll

Posted on December 10, 2023 by dougaj4

Over the years, I have posted a large number of user defined functions (UDF’s) allowing Python Scipy functions (and related libraries) to be accessed from Excel. These have now been consolidated in a uniform format, using the pyxll add-in and … Continue reading →

Posted in Arrays, Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , | 3 Comments

3DFrame-py

Posted on July 5, 2023 by dougaj4

My 3DFrame spreadsheet has now been converted to Python code and can be downloaded from: 3DFrame-py.zip The frame analysis uses the Scipy linear algebra functions called from pyLinalgfuncs3, which must be available on the Python path: pyLinAlgfuncs3.zip The 3DFrame-py download … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, Strand7, VBA | Tagged , , , , , , , | 2 Comments

Speed of Scipy Linear Algebra Solvers

Posted on June 14, 2023 by dougaj4

The files presented in the recent post on Scipy Linear Algebra Solvers include a wide range of different solver types, with in some cases numerous sub-options, allowing the functions to be called from Excel, and greatly extending and speeding up … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to dll, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , | 1 Comment

Scipy linear algebra functions in Excel

Posted on May 30, 2023 by dougaj4

The file pyLinAlgfuncs3.zip has open source Python code allowing the Scipy linear algebra functions to be called from Excel using the pyxll add-in. It also includes all the Python code to perform LU decomposition, as discussed in the previous post., … Continue reading →

Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , | 2 Comments