Category Archives: NumPy and SciPy

Scipy solver update

Posted on 31/05/2024 by dougaj4

The py_SolveFS function calls the Scipy optimize.root function to solve multi-variable equations. Examples are found on the py_Solvers spreadsheet, see Scipy Functions with Excel and pyxll 4 – Solvers 2. One problem with using this function is that the input data … Continue reading →

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Let, Lambda, and py_Eval

Posted on 21/04/2024 by dougaj4

I have covered the new Excel Let and Lambda functions before at: Two New Functions; Let and Lambda Eval and Let examples Lambda and VBA The Lambda function is now available to all Microsoft 365 subscribers, so I have now looked at … Continue reading →

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

Solving the 4 point lift problem …

Posted on 10/03/2024 by dougaj4

… with Excel, Python and pyxll. The problem involves the lifting of a precast concrete panel (or any other long thin object) with lifting points at four sections along the length of the panel, and with the load connected to … Continue reading →

Posted in Concrete, Coordinate Geometry, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, NumPy and SciPy, PyXLL, Strand7, UDFs | Tagged , , , , , , , | Leave a comment

Scipy Functions with Excel and pyxll 9 – Special, distance, space and constants functions and FFT

Posted on 08/01/2024 by dougaj4

In the final post in this series I will look at linking Excel to the Scipy special, distance, space and constants functions and also the Fast-Fourier Transform (FFT) functions. The py_Special-Dist and py_FFT spreadsheet, with associated Python code in PythonSpaceFuncs3.py … Continue reading →

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

Scipy Functions with Excel and pyxll 8 – Statistics

Posted on 05/01/2024 by dougaj4

This post looks at linking Excel to the Scipy and Pandas statistics functions using pyxll. The py_Stats spreadsheet, with associated Python code in PythonStatsFuncs3.py and pyScipy3.py, are included in the download file: py_SciPy.zip Details of the required pyxll package (including … Continue reading →

Posted in Excel, Link to Python, Maths, Newton, NumPy and SciPy, Python Pandas, PyXLL, UDFs | Tagged , , , , , , , , | 1 Comment