sigma notation - Axtarish в Google
This symbol (called Sigma) means "sum up". I love Sigma, it is fun to use, and can do many clever things. So Σ means to sum things up.
Summation notation (or sigma notation) allows us to write a long sum in a single expression.
Sigma notation is a method used to write out a long sum in a concise way. In this unit we look at ways of using sigma notation, and establish some useful rules.
In mathematics, summation is the addition of a sequence of numbers, called addends or summands; the result is their sum or total.
The sigma notation, ∑, is followed by an expression which represents the pattern of a "sequence" of terms. Below and above the ∑symbol will be the starting ...
Sigma notation is used extensively in statistics. For example, suppose we weigh five children. We will denote their weights by x1, x2, x3, x4 and x5.
Sigma notation (which is also known as summation notation) is the easiest way of writing a smaller or longer sum using the sigma symbol ∑, the general ...
Продолжительность: 4:27
Опубликовано: 8 нояб. 2013 г.
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Опубликовано: 7 июл. 2020 г.
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