Category Archives: UDFs

Numpy where and split, and py_Numpy update

Posted on 30/09/2025 by dougaj4

The py_Numpy spreadsheet and associated code has been updated, with two new functions, links to the Numpy on-line help updated, and updates to sorting and polynomial functions. The updated code and spreadsheet can be downloaded from: Updated Numpy files included … Continue reading →

Posted in Arrays, Excel, Link to dll, Link to Python, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

py_RC Elastic 1.05 with elastic biaxial bending

Posted on 24/09/2025 by dougaj4

The py_RC Elastic spreadsheet (last discussed here) has been updated with a new function py_Biax, providing elastic analysis of reinforced concrete sections under combined axial load and biaxial bending. The new spreadsheet and associated Python code can be downloaded from: py_RC … Continue reading →

Posted in Beam Bending, Concrete, Excel, Link to Python, Newton, PyXLL, UDFs | Tagged , , , , , , | Leave a comment

ConBeamU update

Posted on 20/09/2025 by dougaj4

Following a comment at https://newtonexcelbach.com/2023/01/20/using-conbeamu/ I have updated the ConBeamU-Template file so that the function to select the input range works the same as in the main spreadsheet. For more details of how the spreadsheet works, see the link above, … Continue reading →

Posted in Beam Bending, Excel, Newton, UDFs, VBA | Tagged , , , , , , , | Leave a comment

Long integers in Python and Excel and py_Fact

Posted on 27/08/2025 by dougaj4

I have added a new py_Fact function to the py_Scipy module, that returns the factorial of an integer as a float if it is up to 15 digits long, or a string for longer numbers. The revised code, and the … Continue reading →

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

Evaluate and display definite integrals in Excel with Latex and Matplotlib

Posted on 09/08/2025 by dougaj4

The py_Evalu spreadsheet was last presented at Scipy Functions with Excel and pyxll 5 – Evaluate with Units and included the Plot_Math function, which converts a text string to Latex format, then uses Matplotlib to convert this to a graphic image, … Continue reading →

Posted in Excel, Link to Python, Maths, Newton, Numerical integration, PyXLL, UDFs | Tagged , , , , , , , , , , , , | Leave a comment