How-To Geek on MSN

Forget XLOOKUP: Why FILTER is better for extracting Excel data

The FILTER function extracts every matching record while XLOOKUP only returns the first result.
esa.org

SWISH::Filter - Perl extension for filtering documents with Swish-e

use SWISH::Filter; # load available filters into memory my $filter = SWISH::Filter->new; # convert a document my $doc = $filter->convert( document => \$scalar_ref ...
EDN

Practical applications of digital filters

To provide additional insight in the application and impact of precision in digital filter, examples of two practical digital applications are shown. The first example is an equalization of a small ...
EDN

Filter banks, part 2: Optimization and synthesis

Before we proceed, let's quickly review our filter bank example. Our example, shown in Figure 1, is a size 16 DFT filter bank. The color scheme shows the sample rate change where a 16 MHz input sample ...