Category Archives: Charts

Installing Python and pyxll from scratch

Posted on September 26, 2022 by dougaj4

Updated 28th September 2022. Matplotlib latest version OK. I recently installed Python and pyxll (plus the required additional libraries) on a new computer, which raised a few problems with incompatible versions, so here is a summary of what worked (as … Continue reading →

Posted in Animation, Arrays, Charts, Coordinate Geometry, Differential Equations, Excel, Finite Element Analysis, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, Python Pandas, PyXLL, UDFs | Tagged , , , , , , , , , , , , , , | Leave a comment

3D Matplotlib Plots in Excel

Posted on April 17, 2022 by dougaj4

As well as Excel, the code shown in this post requires current versions of Python, Numpy, Matplotlib, and pyxll. The required import statements at the head of the Python code are: The spreadsheets and Python code described below may be … Continue reading →

Posted in Charts, Charts, Coordinate Geometry, Drawing, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

SectionProperties update 3

Posted on February 9, 2022 by dougaj4

The SectionProperties spreadsheets previously posted had limited graphics capabilities due to problems with the plotting routines causing Excel to crash. I have now fixed that problem by updating some Python libraries with pip: installing mkl-service numpy 1.21.2 -> 1.22.1 Pillow … Continue reading →

Posted in Beam Bending, Charts, Charts, Coordinate Geometry, Excel, Finite Element Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL | Tagged , , , , , | 2 Comments

SectionProperties update

Posted on January 16, 2022 by dougaj4

In late 2017 I posted Section Properties with MeshPY, including torsion and warping which looked at an Excel front end for Robbie van Leeuwen’s SectionProperties program, which provides facilities for calculation of section properties of complex shapes, including torsion and warping constants. … Continue reading →

Posted in Charts, Excel, Finite Element Analysis, Link to Python, Newton, Numerical integration, NumPy and SciPy, PyXLL, Strand7 | Tagged , , , , | 1 Comment

Contour plots with Excel and Matplotlib – 2 

Posted on December 30, 2021 by dougaj4

The procedures discussed in the previous post required the contour data to be arranged on a regular rectangular grid, with the data points listed in a 2D array. As far as I know there is no built in alternative in … Continue reading →

Posted in Arrays, Charts, Excel, Finite Element Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, Strand7, UDFs | Tagged , , , , | Leave a comment