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Ka ƙidaya tsarin da aka tsara na abubuwa r da aka zaɓa daga n.
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you choose 10 items, that is 10 × 9 × 8 = 720. Choosing none gives nP0 = 1, and arranging all of them gives nPn = n!. If r is greater than n, the tool returns a dash. If r is smaller than n, the calculator returns a dash. If r is larger than n, the calculator returns a dash. If r is smaller than n, the calculator returns a dash. If r is larger than n, the calculator returnsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutationsPermutations
Tambayoyi da ake yi da yawa
Mẽne ne bambanci a tsakãnin wani permutation da wani haɗuwa?
In a permutation order matters (first, second, third are different outcomes); in a combination it does not. There are always at least as many permutations as combinations.
Me ya sa aka canza sunan fayil?
nPr = n! / (n − r)!. Ga abubuwa 10 da aka dauka 3 a lokaci guda: 10 × 9 × 8 = 720.
Yaushe zan iya amfani da permutation?
Idan tsari yana da muhimmanci: rangwamen masu kammalawa, cika farko / na biyu / na uku wurare, zaune mutane a cikin wani layin, ko gina code tsari.
Me ya faru idan r ya fi girma daga n?
Ba za ka iya shirya abubuwa da yawa fiye da abin da kake da shi ba, don haka sakamakon ba'a bayyana shi ba kuma kayan aiki na mayar da wata dama.
Mẽne ne nP0?
Shi ne 1 - akwai hanya daya kawai don shirya komai, tsarin da ba a cika ba.
Mẽne ne nPn?
Yana daidai da n!, saboda shirya dukkan abubuwa n cikin tsari yana daidai da cikakkun factorial. Misali 4P4 = 4! = 24.
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GET https://calculator.free/api/v1/permutation/
curl
curl "https://calculator.free/api/v1/permutation/?n=10&r=3"
JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/permutation/?" + new URLSearchParams({
"n": "10",
"r": "3"
}));
const data = await r.json();
console.log(data.results);
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