### Categories

### RSS Feed

### Search NewtonExcelBach

### Archives

### Top Posts

- Commenting a block of code in VBA
- Using Goal Seek on Multiple Cells
- Solving Quadratic, Cubic, Quartic and higher order equations; examples
- Cubic Splines
- Using LINEST for non-linear curve fitting
- The angle between two vectors, Python version
- Weighted Least Squares Regression, using Excel, VBA, Alglib and Python
- Taming Symbols in Excel
- Time in hours and minutes between two dates
- Section Properties of Defined Shapes - Spreadsheet

### Recent Comments

Lambda and VBA | New… on Two New Functions; Let and… dougaj4 on Eval and Let examples dougaj4 on Eval and Let examples TB on Eval and Let examples dougaj4 on Eval and Let examples pgalvan@sigmaingenie… on Eval and Let examples dougaj4 on Eval and Let examples Craig on Eval and Let examples Craig on Eval and Let examples dougaj4 on Downloads Eval and Let example… on Evaluating text – u… Eval and Let example… on Evaluating text with units and… Eval and Let example… on Two New Functions; Let and… rhochoa81gmailcom on Downloads Ebony Buckle, New Sc… on George Gently, Matty Groves, a…

# Tag Archives: xlwings

## mpmath for Excel

mpmath has been mentioned in passing here before, but not in any detail. The mpmath site says: mpmath is a free (BSD licensed) Python library for real and complex floating-point arithmetic with arbitrary precision. It has been developed by Fredrik … Continue reading

Posted in Excel, Link to Python, Maths, PyXLL, UDFs, VBA, xlwings
Tagged evaluate pi, Excel, high precision maths, mpmath, Python, PyXLL, UDFs, VBA, xlwings
Leave a comment

## 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 bolt group, Excel, Python, SciPy, solvers, UDFs, VBA, xlwings
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 Brents method, depth of neutral axis, Excel, Python, Reinforced Concrete, SciPy, UDFs, VBA, xlwings
Leave a comment

## Iterative solvers and arrays

A recent thread at Eng-Tips was looking for a solution to the problem described below: The solutions to this problem described below can be downloaded from: ItSolve.zip and xlScipy3.zip The ItSolve.xlsb spreadsheet contains a user defined function (UDF) to solve iterative … Continue reading

Posted in Arrays, Charts, Excel, Link to Python, Maths, Newton, NumPy and SciPy, UDFs, VBA, xlwings
Tagged Brents method, Excel, Python, SciPy, UDFs, VBA, xlwings, xlwSciPy3
2 Comments

## VBA vs Power Query vs Python

A recent post at Chandoo’s Excel Forum asked for a formula to extract all pairs of digits from a number with 4 digits. This was soon extended to dealing with longer numbers, and the examples looked at here will work with … Continue reading

Posted in Arrays, Excel, Link to Python, UDFs, VBA, xlwings
Tagged Chandoo, Excel, itertools, Power Query, Python, UDF, VBA, xlwings
Leave a comment