function f=yy1(t,x)f=cox(x)-3*x^2;>> [t,x]=ode45('yy1',[-10,10],0)>>plot(t,x) 总是出现? Input argument "x" is undefined. 谢谢

function f=yy1(t,x)f=cox(x)-3*x^2;>> [t,x]=ode45('yy1',[-10,10],0)>>plot(t,x) 总是出现? Input argument x is undefined. 谢谢 if f is the function given by f(x)=∫√t^2-t dt,(4→2x)then f'(2)= A function f is such that f(x)=ln(5x-10) solve f(x)=0 一道英语的微积分题f(x)={(cosx-1)/x^2 for x≠0 -1/2for x=0}the function f,defined above,has derivatives of all orders.Let g be the function defined by g(x)=1+∫f(t)dt,t,0,xWrite the fifth-degree Taylor polynomial for g about x=0要讲原因 英语翻译1.determine whether or not the given function has the set of all real numbers as its domain :f(t)=根号下(1-x)2.determine the domain of the given function:f(x)=X的三次方-3x的平方+2x+53.find the difference quotient of f; namely,[f RT为什么F(T)=F（X) 周期函数f(x+T)=f(x),能不能说f(x-T)=f(x) matlab loop (a) Define a function handle for the function f(x) = x2.(b) Define the variable S to equal zero.(c) Use a three-line for loop to add each of the following to S in the order given:f(10),f(9),...,f(2),f(1).Don’t display anything.(d) After Input argument x is undefined.function y=f(x) y=exp(-x)+exp(x); matlab：Error:Function definitions are not permitted in this context.function t = simpson(n)%Simpson求积公式求【0,1】上f(x)=x/(4+x^2)积分,以区间数n为自变量f=@(x)x/(4+x^2);g=@(x)(f(x)+4*f(x-1/(2*n))+f(x-1/n))/6;s=@(x)(g(x)+g(x-1/n)) SAT数学题 Function f is defined by f(x)=(x-a)(x-b)/(x-c),where 0 请问几道分段函数的问题function:f(X)={3x-7,if x find the inverse of the function:f(x)= (4x-1)/(2x+3) 跪求matlab大神指导!>> function f=sirfun(t,x)lmda=1;mu=0.3;f(1)=lmda*x(1)*x(2)-mu*x(1);f(2)=-lmda*x(1)*x(2);f=f(:);%作解曲线图ts=[0,40];x0=[0.02 0.98];[t,x]=ode45(@sirfun,ts,x0);s=x(:,2);i=x(:,1);r=1-x(:,1)-x(:,2);plot(t,s,t,i,t,r);legend(' 请哪位大侠帮忙把图中的函数用matlab见一个function.m文件.function [P,t]=Priori_a(x);syms t;f=1/(0.38*sqrt(2*pi))*(exp(-0.5*((((t^(-0.25)-1)/(-0.25))-1.51)/0.38)^2));PP=int(f,t,0,x);以上是我建的函数，但是结果显示问题 several values of the function f are shown. the function g is defined by g(x)=f(3x+1).what is the value of g(2) If f(x)=log(x).write out the domain and range of the function. What are the Domain and Range of the function f(x)=-2log(x)-4?