Category Archives: Excel

Fast Search Reminder

A recent comment at Opening and searching pdf files from Excel reminded of the linked spreadsheet, which allows pdf files to be opened at a specified page from Excel, and also fast searches of the local hard drive: PdfLink.zip (free download … Continue reading

Posted in Computing - general, Excel, VBA | Tagged , , , , , | 2 Comments

More on Numba

Following my recent post Making Finite Element Analysis go faster … I have been having a closer look at the options in the Numba just-in-time compiler for improving the performance of Python code. The Numba docs include a series of short … Continue reading

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

Copying charts to a new workbook

When an Excel worksheet including a chart(s) is copied to a new workbook the chart still links to the data ranges in the original workbook. Over the years I have spent a fair bit of time editing the chart ranges … Continue reading

Posted in Charts, Charts, Excel | Tagged , , | Leave a comment

A Numpy trap – correction

In my post of 30th May this year (here) I said that: As a check that the functions were working correctly, the Python functions were modified to return the sum of the largest array in the first row, revealing that … Continue reading

Posted in Arrays, Excel, Link to Python, NumPy and SciPy, PyXLL, UDFs | Tagged , , , , , | Leave a comment

On long and short formulas and VBA

A recent thread at Eng-Tips asked the following apparently simple question: Starting with a string consisting of numbers with a single central group of letters, how can this string be truncated at the end of the letters, so that for … Continue reading

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