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Negative numbers: Real numbers that are less than zero. Because zero itself has no sign, neither the positive numbers nor the negative numbers include zero. When zero is a possibility, the following terms are often used: Non-negative numbers: Real numbers that are greater than or equal to zero. Thus a non-negative number is either zero or positive.
As signed numbers can represent negative numbers, they lose a range of positive numbers that can only be represented with unsigned numbers of the same size (in bits) because roughly half the possible values are non-positive values, whereas the respective unsigned type can dedicate all the possible values to the positive number range.
The negative hypergeometric distribution, a distribution which describes the number of attempts needed to get the nth success in a series of Yes/No experiments without replacement. The Poisson binomial distribution, which describes the number of successes in a series of independent Yes/No experiments with different success probabilities.
The laws of arithmetic for negative numbers ensure that the common-sense idea of an opposite is reflected in arithmetic. For example, − (−3) = 3 because the opposite of an opposite is the original value. Negative numbers are usually written with a minus sign in front. For example, −3 represents a negative quantity with a magnitude of ...
In the study of physical magnitudes, the order of decades provides positive and negative ordinals referring to an ordinal scale implicit in the ratio scale. In the study of classical groups , for every n ∈ N , {\displaystyle n\in \mathbb {N} ,} the determinant gives a map from n × n {\displaystyle n\times n} matrices over the reals to the ...
Negative and non-negative numbers → Negative number — Relisted. Vegaswikian 02:55, 8 November 2010 (UTC) This title is much clearer, and will be less off-putting for mathematically unsophisticated readers. Most of the content of the article is about negative numbers, and non-negative numbers can be covered in other articles.
If the base and all the digits in the set of digits are non-negative, negative numbers cannot be expressed. To overcome this, a minus sign, here »−«, is added to the numeral system. In the usual notation it is prepended to the string of digits representing the otherwise non-negative number.
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