Real number
volume
British pronunciation/ɹˈiəl nˈʌmbə/
American pronunciation/ɹˈiːəl nˈʌmbɚ/

"real number"의 정의 및 의미

Real number
01

실수

any number that can be found on the number line, including both positive and negative numbers, zero, and fractions
example
examples
The eigenvalues of a symmetric matrix are always real numbers.
= 2x maps every real number x to its double.
The interval notation (−∞, 5) represents all real numbers less than 5, excluding 5 itself.
The interval (a, b), where a and b are real numbers, represents all numbers between a and b but excludes the endpoints.
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