Парето — 07 — Основные понятия

$\global\def\at#1#2{\left. #1 \right\rvert_{#2}}$ $\global\def\abs#1{\left\lvert #1 \right\rvert}$ $\global\def\norm#1{\left\lVert #1 \right\rVert}$ $\global\def\bvec#1{\mathbf{#1}}$ $\global\def\floor#1{\left\lfloor #1 \right\rfloor}$ $\global\def\limto#1{\underset{#1}{\longrightarrow}}$ $\global\def\prob#1{\mathbb{P} \left\{ #1 \right\}}$ $\global\def\mean#1{\mathbb{E} \left[ #1 \right]}$ $\global\def\disp#1{D \left[ #1 \right]}$ $\global\def\dp#1#2{#1 \cdot #2\,}$ $\global\def\vp#1#2{#1 \times #2\,}$ $\global\def\dv#1#2{\frac{d #1}{d #2}}$ $\global\def\rdv#1#2{\frac{d' #1}{d #2}}$ $\global\def\pd#1#2{\frac{\partial #1}{\partial #2}}$ $\global\def\pdv2#1#2{\frac{\partial^2 #1}{\partial #2^2}}$ $\global\def\pdvk#1#2#3{\frac{\partial^#1 #2}{\partial #3^#1}}$ $\global\def\ppdv#1#2#3{\frac{\partial^2 #1}{\partial #2 \partial #3}}$ $\global\def\pois#1{\left\{ #1 \right\}}$ $\global\def\paren#1{\left( #1 \right)}$ $\global\def\bydef#1{\overset{\mathrm{def}}{#1}}$ $\global\def\mbox#1{\text{#1}}$ $\global\def\div{\text{div}\,}$ $\global\def\dsum{\displaystyle\sum\,}$ $\global\def\grad{\text{grad}\,}$ $\global\def\rot{\text{rot}\,}$ $\global\def\vb#1{\textbf{#1}}$ $\global\def\op#1{\mathrm{#1}\,}$ $\global\def\Im{\text{Im}\,}$ $\global\def\Res{\text{Res}\,}$ $\global\def\Re{\text{Re}\,}$ $\global\def\argtg{\text{argtg}\,}$ $\global\def\ch{\text{ch}\,}$ $\global\def\const{\text{const}\,}$ $\global\def\degree{\text{degree}\,}$ $\global\def\proj{\mathrm{proj}}$ $\global\def\rank{\mathrm{rank}}$ $\global\def\cov{\mathrm{cov}}$ $\global\def\Arg{\mathrm{Arg}}$ $\global\def\res{\text{res}\,}$ $\global\def\sh{\text{sh}\,}$ $\global\def\sign{\text{sign}\,}$ $\global\def\tg{\mathrm{tg}\,}$