Tag Archives: SciPy

Making Finite Element Analysis go faster …

… with Numba and Scipy sparse matrix functions. As promised in the previous post in this series, I will be looking at speeding up the formation and solving of matrix functions for the analysis of structural frames, using Excel and … Continue reading

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

Using Python optional arguments from Excel with pyxll

Python functions allow optional arguments to be specified by allocating a default value to each optional argument. The pyxll add-in allows Python functions called from Excel to work in the same way, so any argument with a default value may … Continue reading

Posted in Excel, Link to Python, PyXLL, UDFs | Tagged , , , , , , | 1 Comment

Multiple Integration with Scipy

Scipy has 3 functions for multiple numerical integration in the scipy.integrate module: dblquad: Compute a double integral. tplquad: Compute a triple integral’ nquad: Integration over multiple variables. I have written six functions to call these functions from Excel, via Pyxll: Each … Continue reading

Posted in Excel, Link to Python, Maths, Newton, Numerical integration, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , | 6 Comments

More SciPy Solvers

The xlwings Scipy spreadsheet has been updated with a new example of the xl_SolveF function, that uses the Scipy Optimize root function.  The new spreadsheet can be downloaded from: xlScipy3.zip The new example uses a python function ic_calc (included in the … Continue reading

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

More iterative solvers

Following the recent post on using Brent’s Method solvers on an array (Iterative solvers and arrays), here is another example with an engineering related problem.  The example is included in the xlScipy3 spreadsheet, which can be downloaded from: xlScipy3.zip The depth … Continue reading

Posted in Arrays, Beam Bending, Concrete, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA, xlwings | Tagged , , , , , , , , | Leave a comment