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Category Archives: UDFs
Working with Python polynomials from Excel
Python polynomial functions have several features that require manipulation of data passed from Excel: In Python polynomial coefficients are listed in order of increasing powers of x (a + bx + cx^2 …), but they are more usually listed with … Continue reading
Posted in Arrays, Excel, Link to Python, PyXLL, UDFs
Tagged complex numbers, Complex to real, Excel, Numpy, Polynomials, Python, PyXLL, Real to complex, Reversing arrays, UDFs
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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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Installing Python and pyxll from scratch
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 Excel, installation, kaleido, MatPlotlib, mpmath, Numba, Numpy, Pint, plotly, PyPardiso, Python, PyXLL, SciPy, sectionproperties, Sympy
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RC Design Functions 9.02; DevLength function
The RC Design Functions spreadsheet has now been updated to Version 9.02, and is available for free download from: RC Design Functions9.zip Changes in the new version include: The new DevLength function returns reinforcement development length to AS 3600, AS … Continue reading
Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged array functions, AS 3600, AS 5100, BS 5400, Devlength, Eurocode 2, Excel, RC Design Functions, UDF, UMom, VBA
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RC Design Functions 9.01; Shear for Eurocode 2 and BS 5400
The RC Design Functions spreadsheet has now been updated to Version 9.01, and is available for free download from: RC Design Functions9.zip The UMomPF function returns ultimate bending and axial load capacity to the Eurocode 2 and BS 5400 design … Continue reading
Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA
Tagged BS 5400, Eurocode 2, Excel, RC Design Functions, shear capacity, UDF, UMomPF, VBA
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