Author Archives: dougaj4

More on TrimRange and the Drop Function

Posted on 20/11/2025 by dougaj4

A comment on my previous post links to a helpful YouTube video on using TrimRange and the Dot operator: It also looks at using the Drop Function to exclude a specified number of rows and/or columns from the top or … Continue reading →

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The TrimRange Function

Posted on 05/11/2025 by dougaj4

I have just discovered the TRIMRANGE function, and its very useful shortcut version, which were introduced to Excel 365 about a year ago. The function excludes all empty rows and/or columns from the outer edges of a range or array, … Continue reading →

Posted in Arrays, Excel | Tagged , , , | 2 Comments

py_UMom 1-05

Posted on 26/10/2025 by dougaj4

Following the previous post the OptShearCap3600 function has been modified to give correct results with negative bending moments. The revised spreadsheet and Python code can be downloaded from: py_UMom.zip Typical output with negative moment input:

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

py_UMom 1.04

Posted on 19/10/2025 by dougaj4

The py_UMom spreadsheet has been updated with further revisions to the py_OptShearCap3600 function. The new version can be downloaded from: py_UMom.zip For more information on the other functions in the spreadsheet see: py_UMom spreadsheet and OptShearCap3600 function. The changes to the … Continue reading →

Posted in Beam Bending, Concrete, Excel, Link to Python, Newton, PyXLL, UDFs | Tagged , , , , , , , | 1 Comment

Mandelbrot, Mojo, Numpy and Numba

Posted on 06/10/2025 by dougaj4

I recently read an article about connecting Python to the new Mojo language: Python Can Now Call Mojo The article had some code examples, including code to plot the Mandelbrot set, comparing plain Python, Python with Numpy, and Mojo, and what … Continue reading →

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