![]() permutare, permutatum, per + mutare, to change: cf. Etymology Websters Revised Unabridged Dictionary L. Permutation Replacement The number of ways to choose a sample of r elements from a set of n distinct objects where order does matter and replacements are allowed. permute In mathematics, to subject to permutation or change of order. Combination Replacement The number of ways to choose a sample of r elements from a set of n distinct objects where order does not matter and replacements are allowed. When n = r this reduces to n!, a simple factorial of n. Permutation The number of ways to choose a sample of r elements from a set of n distinct objects where order does matter and replacements are not allowed. verb (used with object), per·mut·ed, per·mut·ing. PERMUTE Meaning: 'to change one for another, to interchange,' from Old French permuter and directly from Latin permutare See definitions of permute. ![]() Combination The number of ways to choose a sample of r elements from a set of n distinct objects where order does not matter and replacements are not allowed. Factorial There are n! ways of arranging n distinct objects into an ordered sequence, permutations where n = r. ![]() In a possible world inhabited by an evil demon (or permute this, if you wish, into a brain-in-a-vat case), the demon creates non-veridical perceptions of physical objects in peoples. The Permutations Calculator finds the number of subsets that can be created including subsets of the same items in different orders. My desire to permute compositions of matter did not seem to fit with the physical chemistry being done at Harvard at that time. However, the order of the subset matters. Like the Combinations Calculator the Permutations Calculator finds the number of subsets that can be taken from a larger set. ![]()
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