Category Archives: NumPy and SciPy

Random numbers, palindromes and Numpy update

Posted on 09/06/2025 by dougaj4

This post looks at some of the options for generating random numbers in Excel and Python. The code and example spreadsheets can be downloaded from: Updated Numpy files at: py_SciPy.zipCode added to the Pandigital files at: Pandigitals.zip The py_SciPy download … Continue reading →

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

Pandigital sums and Python permutations and combinations

Posted on 13/04/2025 by dougaj4

The New Scientist brain twister from last weeks edition has several problems involving pandigital sums, which are additions that use each of the digits from 0 to 9 exactly once, and with no number within the sum that starts with … Continue reading →

Posted in Arrays, Computing - general, Excel, Link to Python, Newton, NumPy and SciPy, PyXLL, UDFs, VBA | Tagged , , , , , , , | Leave a comment

Scipy update and Linalgfuncs speed check

Posted on 16/12/2024 by dougaj4

I have updated the Scipy code to remove repeated loading of the Numpy code, and to fix a number of other warnings from the pyxll log file. I have also updated the speed check of the various linear algebra solvers, … Continue reading →

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

3D-Frame-py with Numba

Posted on 10/12/2024 by dougaj4

I recently upgraded to Python 3.12, and installed the latest version of the Numba just-in-time compiler (0.60.0) which also required upgrading Matplotlib (3.9.3), and downgrading Numpy (2.0.2). I have also edited calls to Numba in the py_3DFrame1_1.py module, and added … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, Numerical integration, NumPy and SciPy, PyXLL, Strand7, UDFs | Tagged , , , , , , , , , , , , | Leave a comment

3DFrame-py; non-linear with end releases

Posted on 06/12/2024 by dougaj4

The non-linear analysis routines in 3DFrame-py have now been updated to work with beams with end-releases at one or both ends.  Updated files are at: 3DFrame-py.zip See the previous two posts for details of other software required for installation. To … Continue reading →

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