So, in Mathematics we use more precise language: When the order doesn't matter, it is a Combination. When the order does matter it is a Permutation.

Permutations are used in almost every branch of mathematics and in many other fields of science. In computer science, they are used for analyzing sorting algorithms; in quantum physics, for …

Aug 1, 2025 · There are n! ways of arranging n distinct objects into an ordered sequence, permutations where n = r. The number of ways to choose a sample of r elements from a set of …

排列 （英語： Permutation）又称 置換，是將相異物件或符號根據確定的順序重排，得到的每個順序都稱作一個 排列。 例如，從1到6的 數字 有720種排列，對應於由這些數字組成的所有不重 …

Jul 23, 2025 · In Mathematics, Permutation is defined as a mathematical concept that determines the number of possible arrangements for a specific set of elements. therefore, it plays a big …

The meaning of PERMUTATION is often major or fundamental change (as in character or condition) based primarily on rearrangement of existent elements; also : a form or variety …

Aug 22, 2025 · Permutations and combinations, the various ways in which objects from a set may be selected, generally without replacement, to form subsets. This selection of subsets is called …

When order matters this is called a permutation. In this case imagine three positions into which the kittens will go. Into the rst position we have 5 kittens to choose from. Into the second …

1 day ago · Word of the day Word of the Day: permutation This word has appeared in 17 articles on NYTimes.com in the past year. Can you use it in a sentence?

Returns the number of permutations for a given number of objects (with repetitions) that can be selected from the total objects. PERMUTATIONA (number, number-chosen) The …