《常用的数学符号和公式的读法.ppt》由会员分享，可在线阅读，更多相关《常用的数学符号和公式的读法.ppt（11页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、常用的数学符号和公式的读法1 逻辑逻辑(Logic)for allp q if p,then qpq p if and only if q 数学公式的读法数学公式的读法(Pronunciation of mathematical expressions)2 集合集合(Sets)xA x belongs to AxA x does not belong to A AB A is a subset of BABB is a subset of A ABA cap BABA cup B3 实数(Real numbers)x+1x plus onex-1x minus onex1x plus or m
2、inus onexyxy/x multiplied by y x over yx=5x equals 5/x is equal to 5x5x(is)not equal to 53 实数(Real numbers)xyx is greater than yxyx is greater than or equal to yx yx is less than yx yx is less than or equal to y0 x1zero is less than x is less than 10 x 1 zero is less than or equal to x is less than
3、or equal to 1|x|mod x/modulus xx2x squared/x(raised)to the power 2x3x cubed;the third power of xx4 x to the fourth/x to the power fourxn x to the nth/x to the power nx-n x to the(power)minus n3 实数(Real numbers)n!n factorial(x+y)2 x plus y all squared the sum from i equals one to n aix over y all squ
4、ared 4 函数函数(Functions)f(x)fx/f of x/the function f of x f:STa function f from S to Tx maps to yf(x)f prime xf(x)f doubleprime xf(x)f tripleprime xf f(x)the fourth derivative of f with respect to x常量常量:constant变变量：量：variable极极限：限：limit无无穷穷大：大：infinity无无穷穷小：小：infinitesimal极极大：大：maximum极极小：小：minimum微分：
5、微分：differential积积分：分：integral导数导数：derivative特解：特解：particular/special solution通解：通解：general solution全解：全解：complete solution矩矩阵阵：matrix行矩行矩阵阵：row matrix列矩列矩阵阵：column matrix单单位位阵阵：unit matrix对对角角阵阵：diagonal matrix逆矩逆矩阵阵：inverse matrix转转置矩置矩阵阵：transposed matrix向量：向量：vector标标量：量：scalar概概率：率：probability随随机机变变量：量：random variable均均值值：mean方差：方差：variance