Categories
RSS Feed
Search NewtonExcelBach
Archives
Top Posts
- Using LINEST for non-linear curve fitting
- Cubic Splines
- Using LinEst() on data with gaps
- Continuous Beams With Spring Supports by Macaulay’s Method
- ULS Design Functions 2.13
- About Newton Excel Bach
- Intersections, interpolations, and rotations
- Buckling of columns with varying cross section
- Fitting high order polynomials
- 3DFrame Ver 1.03 and Frame4 Ver 3.07
Recent Comments
Tag Archives: LU solvers
Scipy Linalg functions stopped working
I recently noticed that the iterative linear algebra solvers in my pyLinAlgfuncs3.xlsb spreadsheet had stopped working. It turned out that the optional tolerance argument had been renamed ‘rtol’. Changing all the occurrences of the name in the Python code fixed … Continue reading
Posted in Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, Iterative solvers, linear algebra, linear equations solver, LU solvers, Numpy, PyPardiso, Python, PyXLL, SciPy, sparse matrices, UDFs.
Leave a comment
Scipy Functions with Excel and pyxll 7 – Linear Algebra
This post looks at linking Excel to the Scipy linear algebra functions using pyxll, and also using the PyPardiso solver. Previous posts on this topic include: The pyLinAlgfuncs3 spreadsheet, with associated Python code in pyLinalgfuncs3.py and pyScipy3.py, are included in the … Continue reading
Posted in Arrays, Excel, Finite Element Analysis, Frame Analysis, Link to Python, Maths, Newton, NumPy and SciPy, PyXLL, UDFs
Tagged Excel, Iterative solvers, linear algebra, linear equations solver, LU solvers, Numpy, PyPardiso, Python, PyXLL, SciPy, sparse matrices, UDFs
1 Comment