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
Check if variable exists in workspace to plot... Learn more about gui, error, check variable, exist, workspace, errordlg, if statement MATLAB
If you do not initialize the global data, the app looks for the variable in the MATLAB global workspace. If the variable does not exist, the app generates an error. If you use global data in MEX functions, you must also specify whether to synchronize this data between MATLAB ...
Check existence of variable, script, function, folder, or class collapse all in pageSyntax exist name exist name searchType A = exist(___)Description exist name returns the type of name as a number. This list describes the type associated with each value: 0— name does not exist or canno...
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 ...
Store the result to the variable str. str = which('who(matObj)') str = matlabroot\toolbox\matlab\iofun\+matlab\+io\MatFile.m' If you do not specify the input argument (matObj), then which returns only the path of the first function or method found. which who built-in (matlabroot...
Load a MAT file containing coordinates for the perimeter of the contiguous United States. The file contains two variables: theuslatvariable specifies latitude coordinates in degrees, and theuslonvariable specifies longitude coordinates in degrees. ...
whosdoes not report the number of bytes consumed by handle objects. If a variable contains handle objects, the number of bytes that thewhosfunction displays for the variable might be smaller than expected. class Class of the variable. If the variable has no value, class is'(unassigned)'. ...
This error occurs because the "find" function always returns a variable-length vector. If you do not want to change the properties of the variable "x" in MATLAB Function to be variable sized as suggested in the error message, you can change the MATLAB Functio...