Tag Archives: SciPy

LU Decomposition with Python and Scipy

This post was prompted by a question at the Eng-Tips forum: LU Decomposition which asked why Mathcad was generating LU matrices different to those calculated from the basic theory. The short answer was that there is more than one way … Continue reading

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

More on combined shear and bending design to AS 3600

Further to the last post on this subject I have been looking at procedures to speed up design for shear to AS 3600 when the “refined” analysis procedure is used. The issues that need to be addressed are: I have … Continue reading

Posted in Beam Bending, Concrete, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , , , | 4 Comments

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 , , , , , , , , , , , , , , | Leave a comment

Installing PyPardiso and speed of Scipy spsolve

I recently upgraded to Python 3.10, and because of some problems with my previous installation I decided to do a complete new installation using pip, which required installation of all the libraries needed for my various programs. For my linear … Continue reading

Posted in Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

Listing Python modules and getting help docs from Excel

Python functions include detailed help documentation but to access this you need the full path to the function, including the names of all code modules and submodules. This post looks at how this information can be found using Excel with … Continue reading

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