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Category Archives: Drawing
3D plots with the latest Matplotlib
Installing Python on a new computer, I found I had to downgrade Matplotlib to release 3.5.2 to get my 3D plotting functions to work. Further investigation found that the problem was the Axes3D function. Changing: ax = axes3d.Axes3D(fig)to: … Continue reading
Posted in Animation, Coordinate Geometry, Drawing, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, MatPlotlib, Plot 3D images, Python, PyXLL, Rotate 3D images, UDFs
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3D Matplotlib Plots in Excel
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 Excel, MatPlotlib, Plot 3D images, Python, PyXLL, Rotate 3D images, UDFs
1 Comment
Display Matplotlib animations in Excel
The latest version of pyxll (5.4.0) allows animations generated in Matplotlib to be simply copied to Excel. A spreadsheet with the examples shown below, and the associated Python code can be downloaded from: Animations2.zip The screenshot below shows the simple … Continue reading
Posted in Animation, Drawing, Excel, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged animation, Excel, Mandelbrot animation, Mandelbrot Set, MatPlotlib, Python, PyXLL, UDFs
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Plotting Mandelbrot in Excel with Matplotlib
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 cmap, Excell, imshow, Mandelbrot, MatPlotlib, Python, PyXLL, UDFs
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Using Matplotlib from Excel with pyxll
The pyxll documentation has many examples of plotting in Excel using Matplotlib and other packages, but I find the multiple options confusing and hard to follow, so this post works through the examples in the Matplotlib Users Guide tutorial. The … Continue reading
Posted in Charts, Charts, Drawing, Excel, Link to Python, PyXLL, UDFs
Tagged Excel, Graphs, MatPlotlib, plotting, Python, PyXLL, UDFs
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