Category Archives: Charts

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

Contour plots with Excel and Matplotlib

Posted on December 28, 2021 by dougaj4

Contour plots are widely used for a great variety of purposes, but facilities for producing them in Excel are very limited, and those that are provided are very well hidden. In this post I will look at some simple examples … Continue reading →

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

Plotting Mandelbrot in Excel with Matplotlib

Posted on December 17, 2021 by dougaj4

The functions used in the previous post generate an array of integers, the number of iterations for the function return value to exceed 2. This post looks in more detail at how this data can be plotted in Excel using … Continue reading →

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

Computing and plotting the Mandelbrot set in Excel …

Posted on December 7, 2021 by dougaj4

… with Python, Numba and pyxll. As promised in the previous post, this post will look at alternative procedures for calculating and plotting the Mandelbrot set with Python based code. The spreadsheet presented here and the associated Python code may … Continue reading →

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