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Manuals/calci/COMBINATIONS (view source)
Revision as of 21:22, 22 December 2016
, 21:22, 22 December 2016→Description
*In <math>COMBINATIONS (Array,HowMany)</math>,<math>Array</math> is the set of numbers and <math>Howmany</math> is the described number of choice.
*In <math>COMBINATIONS (Array,HowMany)</math>,<math>Array</math> is the set of numbers and <math>Howmany</math> is the described number of choice.
*The number of ways of picking k unordered outcomes from n possibilities.
*The number of ways of picking k unordered outcomes from n possibilities.
*Also known as the binomial coefficient or choice number and read "n choose k," <math>_nC_k =\binom{n}{k}= \frac{n!}{k!(n-k)!}</math> nck= Formula.
*Also known as the binomial coefficient or choice number and read "n choose k" .
*<math>_nC_k =\binom{n}{k}= \frac{n!}{k!(n-k)!}</math>.
*Here COMBINATIONS shows the choices of the selected objects.
*Here COMBINATIONS shows the choices of the selected objects.
==Examples==
1.COMBINATIONS([3,8,12],2)
{| class="wikitable"
|-
|3|| 8
|-
|3 || 12
|-
|8 || 12
|}
2.COMBINATIONS([10,18,300,23,192],3)
{| class="wikitable"
|-
|10||18||300
|-
|10 ||18||23
|-
|10||18||192
|-
|10||300||23
|-
|10 ||300||192
|-
|10 || 23||192
|-
|18||300||23
|-
|18 ||300||192
|-
|18||23||192
|-
|300||23||192
|}