double factorial造句

• And double factorial is also easy.
• Sometimes I use the double factorials which might be also error prone in some areas because you end up handling huge numbers.
• Also, when " k " = 2, this definition is mathematically equivalent to the alternative extension of the double factorial.
• Unequal exchange is given if double factorial terms of trade of the respective country are < 1.0 ( Raffer, 1987, Amin, 1975 ).
• Some mathematicians have suggested an alternative notation of n ! _ 2 for the double factorial and similarly n ! _ k for other multifactorials, but this has not come into general use.
• As the square of a double factorial, counts the number of permutations of six items in which all cycles have even length, or the number of permutations in which all cycles have odd length.