基本统计处理的查取最大值 MAX函数的命令格式有: [Y,]=max(x):将max(X)返回矩阵X的各列中的最大元素值及其该元素的位置赋予行向量Y与;当X为向量时,则Y与I为单变量

Ch. 13 Difference Equations 1 First-Order Difference Equations Suppose we are given a dynamic equation relating the value y takes on at date t to another variables Wt and to the value y took in the previous period: where o is a constant. Equation(1)is a linear first-order difference equation a difference equation is an expression relating a variable yt to its previous values

Three-phase sources have three Q terminals called the line terminals(a, b,c). + Neutral connection--n an b+V n bn Balanced three-phase sources may

Any given arm of the Y network is found by taking the product of the two adjacent arms of the network and dividing by the sum of the network arms

Single equation regression models: -The dependent variable, Y, is expressed as a linear function of one or more explanatory variables, the Xs. Assumption the cause-and-effect relationship, if any, between Y and the Xs is unidirectional: explanatory variables are the cause; the dependent variable is the effect

人教A版高中数学必修4第一章 三角函数1.5 函数y=Asin(ωx+φ)的图象习题(3)

Inertial reference frames In the previous lecture, we derived an expression that related the accelerations observed using two reference frames, A and B, which are in relative motion with respect to each other. aA =aB+(aA/ B)'y'' 22 x (DA/ B) 'y'2'+ TA/B+ X TA/B). (1) Here, aA is the acceleration of particle A observed by one observer, and

2.多组分的测定 a)在1处测组分x,在2处测组分y 2 A.(b) b)在1处测组分x;在处测总吸 收扣除x吸收可求y

#include void maino prin printf(\%d, %d, %d\\n\, x,y, Z, X+y+z);

一、y=f(x)型的微分方程 这种方程通过n次积分可得通解,微分方程右端(n-1)仅含有自变量x,容易看出,只要把y作为新的未知函数那么方程就是新未知数的一阶微分方程,两边积分得到一个n-1阶的微分方程