- improper extremum
- мат.несобственный экстремум
English-Russian scientific dictionary. 2008.
English-Russian scientific dictionary. 2008.
Sinc function — In mathematics, the sinc function, denoted by scriptstylemathrm{sinc}(x), and sometimes as scriptstylemathrm{Sa}(x),, has two definitions, sometimes distinguished as the normalized sinc function and unnormalized sinc function. In digital signal… … Wikipedia