Basic Examples
Basic Examples
Check if the elements of the second list are all contained in the first list:
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True
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Check if the elements of the second list are all contained in the first list:
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False
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Scope
Scope
Make a function that checks if a list has 1 one, 2 twos, and 1 three:
operator=ContainsAll[{1,2,2,3}]
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ContainsAll[{1,2,2,3}]
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Apply to a bunch of lists:
Tally[operator/@RandomInteger[10,{1000,5}]]
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{{False,965},{True,35}}
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Properties and Relations
Properties and Relations
Elements of and can be lists themselves:
e
1
e
2
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True
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There are not enough c’s in the first list:
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False
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Check the same but without considering the multiplicities:
ContainsAll[{a,b,c,c,c,c},{c,a,c,c,c,c,b}]
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True
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If is empty and non-empty the answer is always false:
e
1
e
2
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False
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If is empty the answer is always true:
e
2
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True
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If and are empty the answer is true:
e
1
e
2
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True
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Neat Examples
Neat Examples
What are the chances that two randomly generated lists of length 10 overlap exactly:
results=Table[RandomInteger[3,10],RandomInteger[3,10]],{10000};ResourceFunction["Proportions"][results]//N
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False0.9905,True0.0095
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