Abstract: The log-sum function as a penalty has always been drawing widespread attention in the field of sparse problems. However, it brings a non-convex, non-smooth and non-Lipschitz optimization ...

Abstract: Because of the fact that complete seismic data can have a low rank in the frequency-space (f-x) domain, rank-reduction methods are classical techniques used for seismic data reconstruction.

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

Have you ever struggled with Excel formulas, trying to calculate running totals only to be left with errors and frustration? Many of us have faced the challenge of managing datasets where each row’s ...

Speak with confidence at your next financial meeting by calculating your gross profit with Microsoft Excel. Excel provides several built-in functions and operators to calculate total cost, revenue and ...

When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...

If you want to know how to sum cells with text and numbers in Excel, we’ve got you covered. Dealing with numbers in Excel is usually a breeze, but things can get tricky when these numbers are tucked ...

If you want to know how to sum all matches with VLOOKUP in Excel, you’ve landed on the right page. In this guide, we’ll explore three straightforward methods. First, we’ll dive into the approach of ...