opject variable or with block variable not set

opject variable or with block variable not set opject doesn't support this propety or method object variable or with block variable not variable 每次打开excel都会出现run-time error‘91’object variable or with block variable not set 用MATLAB求函数极限时出现 Undefined function or variable x. 英语翻译1.population is a collection,or set,of individuals ,objects,or events whose properties are to be analyzed.2.variable(or response variable) is a characteristic of interest about each individual element of a population or sample. 每次打开Word2007都出现Run-time error '91' Object variable or with block variable not set win7系统!求详细帮忙! 请问the variable of interest是什么意思?在经济学的范畴内 The completive sentence:The variable of interest is divided into categories or outcomes. matlab Error:Missing variable or function.哪里错了?clc;clear;t=0:1:10;r=1:0.01:20;N=10000000;x0=100;w=2;r0=0.5;%qiguaipi=3.14;[T,R]=meshgrid(t,r);C=(2*pi*R).*(N*exp(-((R.^2)./(4*w*T))))./...((1+(N/x0-1)*exp(-r0*T)).*(4*pi*w*T).^(3/2));mesh(T,R,C) c(7) :warning C4996:'gets':This function or variable may b vc2008#include#includemain(){FILE *fp;char str[81],name[10];gets(name);if((fp=fopen(name,w))==NULL){printf(can not open );exit(0);}gets(name);fputs(str,fp);flose(fp);if((fp=fopen(name,r man or W是什么意识 variable是什么意思? variable是什么意思 matlab出错了怎么改?Error:Missing variable or function.Error:Missing variable or function.Y6=(x+10/3).*(x+5/3).*(x-5/3).*(x).*(x-10/3).*(x+5).*81/50000/650 在matlab中,pi 的e 次方如何表示?我输入e的时候，显示“?Undefined function or variable 'e'.” matlab 定义常数如何定义一个常数?>> syms x>> taylor((1+x).^m,4)Undefined function or variable 'm'. 菜鸟求教：MATLAB limit用法>> f=sym('x^2+4*x+10')>> limit(f,x,a)Undefined function or variable 'x'.>> limit(f,a)Undefined function or variable 'a'.还有：>> f=sym('sqrt(1+1/n)');>> limit(f,n,inf)Undefined function or variable 'n'.>> int(f,v)U