The double factorial of a positive integer n is a generalization of the usual factorial n! defined by n!!={n·(n-2)...5·3·1 n>0 odd; n·(n-2)...6·4·2 n>0 even; 1 n=-1,0. (1) Note that -1!!=0!!=1, by definition (Arfken 1985, p. 547). The ori
specifically, this is a double factorial design that includes distractors and with equal rate of presentation of each stimulus (Houpt et al., 2014). We do not enforce a particular “correct” decision rule (e.g., OR vs. AND) since the decision rule is a component of the processing...
factorial a. 代理店的,阶乘的 n. 阶乘 terms n.[pl] 1.(提出或接受的)条件;(付出或索要的)报酬,代价 2.表达方式,措辞,说法 trade n. 1.贸易;生意 2.交换 3.职业;手艺 4.同行 5.(口)顾客 6.营业额;交易量 7.(the trade)(英口)酒商 8.(the trades)贸易风 9.(th double a. 1.加倍...
double-factorial terms of trade 双因贸易条件相关短语 unenumerated articles (少于贸易中常用单位额度) 零星货物 vertical trade (指先进国与落后国之间的贸易) 纵式贸易 Manchester School (即自由贸易学派) 曼彻斯特学派 combined offer (外贸) 联合报价 import for expanding export(外贸) 以进养出 soft base (...
long int factorial;通过上述代码,将变量fractorial声明为long的整型变量。这就像float和double变量一样,long变量的具体精度也是由具体的计算机系统决定。在许多系统上,int与long int具有相同的值域,而且任何一个都能存储32位宽(231-1,或2,147,483,647)的整型值。在Objective-C程序中,long int类型的常量值可以通过...
- Di Gennaro V.: Factoriality of certain threefolds complete intersection in P5 with ordinary double points, Comm. in Alg. 32, No. 7, 2705-2710 (2004).C. Ciliberto, V. di Gennaro, Factoriality of certain threefolds complete intersection in P5 with ordinary double points Communications in ...
Define the double factorial of n, denoted n!! as follows: n!! = \begin{cases} 1 \cdot 3 \cdot 5 ... \cdot (n - 2) \cdot n, if n is odd \\ 2 \cdot 4 \cdot 6 ... \cdot (n - 2) \cdot n, if n is even
The possible role of the basic cell-mediated immune defect, as revealed by the decreased number of the T and B cells, is discussed. 展开 关键词: adjustment of factors adjusted orthogonality factorial experiment nonorthogonal design pairwise orthogonality DOI: 10.1080/00362177885380021 被引量: 3 ...
Participants are randomized into 1 of 4 supervised training groups (2 d/wk × 6 mo) in a fully factorial design. Primary outcomes measured at baseline, 6, and 18 months are the Alzheimer's Disease Assessment Scale (ADAS-Cog), neuropsychological test scores, and Bayer Informant Instrumental ...
A mean factorial effect of -7 mm Hg for hydrochlorothiazide (P less than 0-01) and -8 mm Hg for prindolol (P less than 0-01) was obtained, and the two drugs acted in an additive manner. The effects on standing blood pressure in resting patients were similar. No serious side ...