Tag Archives: UDFs

Scipy Functions with Excel and pyxll 3 – Solvers 1

Posted on 17/12/2023 by dougaj4

Following the the first post in this series I will move on to the py_Solvers spreadsheet included in the download file: py_SciPy.zip Details of the required pyxll package (including download, free trial, and full documentation) can be found at: pyxll For those … Continue reading →

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

Scipy Functions with Excel and pyxll 2 – Interpolation

Posted on 13/12/2023 by dougaj4

Following the previous post I will now look in more detail at the functions in the py_Interpolate spreadsheet included in the download file: py_SciPy.zip Details of the required pyxll package (including download, free trial, and full documentation) can be found … Continue reading →

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

Scipy functions with Excel and pyxll

Posted on 10/12/2023 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 , , , , , | 6 Comments

Dynamic charts

Posted on 23/07/2023 by dougaj4

A frequently asked question is how to get Excel charts to automatically update when new data is added outside the original selected ranges. The most frequent recommendation (such as here) is to convert the data to a table, then insert … Continue reading →

Posted in Charts, Charts, Concrete, Excel, UDFs | Tagged , , , , , | Leave a comment

Scipy linear algebra functions in Excel

Posted on 30/05/2023 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