Category Archives: PyXLL

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

3DFrame-py-comb

Posted on 01/02/2025 by dougaj4

The 3DFrame-py spreadsheet has now been updated with provisions for saving multiple load cases and the associated results, and analysis with factored combinations of multiple load cases. The new files can be downloaded from: 3DFrame-py.zip See Installing 3DFrame-py for installation details, and … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, Strand7, UDFs | Tagged , , , , , , , , , , | 1 Comment

3DFrame-py rel. 0.40

Posted on 01/01/2025 by dougaj4

A new version of 3DFrame-py has been released and can be downloaded from: 3DFrame-py.zip See Installing 3DFrame-py for installation details, and details of other Python modules required. Also see Python and pyxll for details of the required pyxll package, including a coupon code for … Continue reading →

Posted in Beam Bending, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Newton, PyXLL, Strand7, UDFs | Tagged , , , , , , , , , | 5 Comments

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