Category Archives: Arrays

Python Traps

Posted on 01/01/2020 by dougaj4

When converting existing VBA code to Python there are a number of obvious changes to the syntax that need to be made for the code to run at all, but there are also a number of not so obvious traps … Continue reading →

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Excel Dynamic Arrays

Posted on 08/12/2019 by dougaj4

Previews of dynamic arrays in Excel have been available for some time through the “Insider” programme.  They are now being published to general subscribers through Office 365 monthly updates: Further information is given at: Easier array formulas and Dynamic array … Continue reading →

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Using conditional formatting with array formulas

Posted on 17/08/2019 by dougaj4

A recent Quora question asked “How do I highlight the number closest to an initial number in a row in Excel?“.  The answer by Bill Jelen provides a good example of using conditional formatting with an array formula: In my … Continue reading →

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Working with dynamic arrays in Excel

Posted on 23/05/2019 by dougaj4

Many of the VBA functions available here return results as arrays, which must be entered by selecting the desired output range, then  pressing Ctrl-Shift-Enter (CSE).  This can be inconvenient (or at least untidy) when the size of the output array varies.  … Continue reading →

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Transferring large arrays with Pyxll

Posted on 05/01/2019 by dougaj4

Pyxll is a commercial Excel add-in linking Excel and Python.  The latest version  offers greatly improved performance in transferring data between Excel and Python as Numpy arrays, amongst many other new features and improvements. To check what this means in practice, … Continue reading →

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