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
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 06:10:33
![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](/uploads/image/z/7598490-42-0.jpg?t=%E8%8F%9C%E9%B8%9F%E6%B1%82%E6%95%99%EF%BC%9AMATLAB+limit%E7%94%A8%E6%B3%95%3E%3E+f%3Dsym%28%27x%5E2%2B4%2Ax%2B10%27%29%3E%3E+limit%28f%2Cx%2Ca%29Undefined+function+or+variable+%27x%27.%3E%3E+limit%28f%2Ca%29Undefined+function+or+variable+%27a%27.%E8%BF%98%E6%9C%89%EF%BC%9A%3E%3E+f%3Dsym%28%27sqrt%281%2B1%2Fn%29%27%29%3B%3E%3E+limit%28f%2Cn%2Cinf%29Undefined+function+or+variable+%27n%27.%3E%3E+int%28f%2Cv%29U)
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
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)
Undefined function or variable 'v'.
>> int(f,a,b)
Undefined function or variable 'a'.
>> int(f,v,a,b)
Undefined function or variable 'v'.
>> f=solve(eq)
Error using ==> eq
Not enough input arguments.
Error in ==> eq at 18
[varargout{1:nargout}] = builtin('eq',varargin{:});
>> f=solve(eq,var)
Error using ==> eq
Not enough input arguments.
Error in ==> eq at 18
[varargout{1:nargout}] = builtin('eq',varargin{:});
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
你的变量没有定义.符号计算,要先定义符号变量:syms a b c .
limit(A,B,C) A:函数 B:待赋值的变量 C:要给变量赋的值