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函数整理（数学函数）

时间： 2021-07-31 作者：daque

数学因变量简化了相关数学和好多进程的编制程序。运用那些因变量时，记取有些因变量不妨从其余因变量获得。radians = degrees * pi/180degrees = radians * 180/pipi = 3.1415926535897932天然对数：e = 2.718322sin(a) = a/ccos(a) = b/ctan(a) = a/bsec(a) = 1/cos(a)cosec(a) = 1/sin(a)cotan(a) = 1/tan(a)arcsin(x) = atn(x/sqr(-x*x+1))arccos(x) = atn(-x/sqr(-x*x+1)) + 2*atn(1)arcsec(x) = atn(x/sqr(x*x-1)) + sgn((x)-1)*(2*atn(1))arccosec(x) = atn(x/sqr(x*x-1)) + (sgn(x)-1)*(2*atn(1))arccotan(x) = atn(x) + 2*atn(1)hsin(x) = (exp(x) - exp(-x))/2hcos(x) = (exp(x) + exp(-x))/2htan(x) = (exp(x) - exp(-x))/(exp(x) + exp(-x))hsex(x) = 2/(exp(x) + exp(-x))hcosec(x) = 2/(exp(x) - exp(-x))hcotan(x) = (exp(x) + exp(-x))/(exp(x) - exp(-x))harcsin(x) = log(x+sqr(x*x+1))harccos(x) = log(x+sqr(x*x-1))harctan(x) = log((1+x)/(1-x))/2harcsec(x) = log((sqr(-x*x+1)+1)/x)harccosec(x) = log((sgn(x)*sqr(x*x+1)+1)/x)harccotan(x) = log((x+1)/(x-1))/2logn(x) = log(x)/log(n)abs abs因变量归来一个数的一致值。用法为：result = abs(number)个中result是number参数的一致值。atn atn因变量归来一个数的归正切值。用法为：result = atn(number)个中result是正切值为number的弧度。cos cos因变量归来一个角的余弦值。用法为：result = cos(number)个中result是邻边与斜边之比，number是角的弧度值。exp exp因变量归来以天然对数为底的幂。用法为：result = exp(number)个中result是参数number的阻碍数。fix fix因变量归来一个数的平头局部。用法为：result = fix(number)个中result是参数number的平头局部。int int因变量归来一个数的平头局部。用法为：result = int(number)个中result是参数number的平头局部。log log因变量归来一个数的天然对数。用法为：result = log(number)个中result是number的对数值。rnd rnd因变量归来一个随机数。用法为：result = rnd[(switch)]个中result是一个随机数，switch证明怎样决定这个随机数。switch是正数证明应归来序列中的下一个随机数。在挪用这个因变量前，运用randomize语句初始化随机数爆发器。log log因变量归来一个数的天然对数。用法为：result = log(number)个中result是number的对数值。sgn sgn因变量归来一个数的标记。用法为：result = sgn(number)即使number为正则result为1，即使number为0则result为0，即使number为负则result为-1。sin sin因变量归来一个角的正弦值。用法为：result = sin(number)个中result是对边与斜边之比，number是角的弧度数。 sqr sqr因变量归来一个数的平方根。用法为：result = sqr(number)个中result是参数number的平方根。tan tan因变量归来一个角的正切值。用法为：result = tan(number)个中result是对边与邻边之比，number是角的弧度值。

函数整理（数学函数）

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