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Discrete mathematics

Wikipedia English The Free Encyclopedia

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Discrete mathematics
Discrete mathematics is the study of mathematical structures that are fundamentally discrete rather than continuous. In contrast to real numbers that have the property of varying "smoothly", the objects studied in discrete mathematics – such as integersgraphs, and statements in logic – do not vary smoothly in this way, but have distinct, separated values. Discrete mathematics therefore excludes topics in "continuous mathematics" such as calculus and analysis. Discrete objects can often be enumerated by integers. More formally, discrete mathematics has been characterized as the branch of mathematics dealing with countable sets (sets that have the same cardinality as subsets of the natural numbers, including rational numbers but not real numbers). However, there is no exact, universally agreed, definition of the term "discrete mathematics." Indeed, discrete mathematics is described less by what is included than by what is excluded: continuously varying quantities and related notions.

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Wikipedia Nederlands De vrije encyclopedie

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Discrete Mathematics
Discrete Mathematics is een internationaal, aan collegiale toetsing onderworpen wetenschappelijk tijdschrift op het gebied van de discrete wiskundecombinatieleer en de grafentheorie. De naam wordt in literatuurverwijzingen meestal afgekort tot Discrete Math. Het wordt uitgegeven door Elsevier en verschijnt 24 keer per jaar. Het eerste nummer verscheen in 1971.

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Discrete wiskunde
Discrete wiskunde is de studie van wiskundige structuren die au fond discreet zijn, dat wil zeggen dat er gehele, los van elkaar staande zaken bekeken worden. Hiermee onderscheidt de discrete wiskunde zich van de continue wiskunde, zoals analyse. De meeste objecten die bestudeerd worden binnen de discrete wiskunde zijn aftelbare verzamelingen, zoals de natuurlijke getallen.

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Wikipedia Español La enciclopedia libre

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Matemática discreta

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Wikipedia Deutsch Die freie Enzyklopädie

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Diskrete Mathematik
Die diskrete Mathematik als Teilgebiet der Mathematik befasst sich mit mathematischen Operationen über endlichen oder höchstens abzählbar unendlichen Mengen. Im Gegensatz zu anderen Gebieten wie der Analysis, die sich mit kontinuierlichen Funktionen oder Kurven auf nicht abzählbaren, unendlichen Mengen beschäftigt, hat für die in der diskreten Mathematik behandelten Folgen die Eigenschaft der Stetigkeit keine Bedeutung.

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ويکي پدياي فارسي – دانشنامه رايگان

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رياضيات گسسته

رياضيات گسسته که به آن «رياضيات محدود» يا «رياضيات تصميم» نيز مي‌گويند، به بخش‌هائي از رياضيات گفته مي‌شود که با ساختارهاي گسسته (يعني ساختارهايي که در آن‌ها مفهوم پيوستگي وجود ندارد) سر و کار دارد. بيش تر مواردي که در رياضيات گسسته مورد بررسي قرار مي‌گيرند مجموعه‌هاي شمارش پذير هستند. مانند اعداد صحيح و گراف‌هاي محدود و زبان‌هاي رسمي.

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