楼上说的有问题, The variable y does not exist意思是变量y不存在 还有,不能直接对函数文件运行,函数要放在主文件里调用才可以 是用符号计算吗？ 可以用函数 sym( )定义符号变量。>> sym('x') %定义符号变量xans =x用命令 syms 定义符号变量。>>syms a b变量y没有定义估计把代码发...
Input variable "trimf" does not exist.. Learn more about trimf, matlab, fuzzy logic Fuzzy Logic Toolbox
0—namedoes not exist or cannot be found for other reasons. For example, ifnameexists in a restricted folder to which MATLAB®does not have access,existreturns 0. 1—nameis a variable in the workspace. 2—nameis a file with extension.m,.mlx, or.mlapp, ornameis the name of a file...
>> help existEXIST Check if variables or functions are defined.EXIST('A') returns:0 if A does not exist1 if A is a variable in the workspace2 if A is an M-file on MATLAB's search path.It also returns 2 whenA is the full pathname to a file or when A is the name ...
Dear MATLAB experts, I'm trying to find a way of removing rows from the table 'transaction_dates' if there is not a variable in the table 'stockprice_data' with the same "isin" as in any of the rows of the variable "isin" in the table 'transaction...
matlab::engine::MATLABExecutionException The property does not exist. Examples This example evaluates a MATLAB statement in a try/catch block using MATLABEngine::eval. The MATLABEngine::getVariable member function returns the exception object. MATLABEngine::getProperty returns the exception message prope...
The Command Window displays the variable name and its value. To view all the variables in the current workspace, use the Workspace browser. For more information, see Examine Values While Debugging. Pause a Running File You can pause long-running code while it is running to check on the ...
Hessian = [], so the variable "hessian" can be empty hessian = optimget(options,'Hessian',defaultopt,'fast'); % If calling trust-region-reflective with an unavailable Hessian option value, % issue informative error message if strcmpi(OUTPUT.algorithm,trustRegionReflective) && ... ~( isempty...
3、The variable x is: x=A^{-1}b (十五)Inverse Matrix(逆矩阵) 1、For a matrix A,the inverse is defined as: where det( A)is the determinant: det( A)=|ad-bc| 2、Properties: A=(A^{-1})^{-1}, (kA)^{-1}=k^{-1}A^{-1} 注意: adj(A),伴随矩阵 det(A),用于求方阵...
method = 2; %Design variable values (d or theta) to obey constraints %Several figures show the results of the simulation, if animate=1 an %animation of the formation of robots in navigation is also shown animate = 0; % animate = 1; ...