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
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...
应该使用VariableStepDiscrete仿真模式,而不是ode45模式。有两种更改方法:1、在该model的工具栏上选择simulation,再选择并进入configuration parameters界面,从solver里面设置,type设置为variable-step,solver设置为discrete;2、或者在Diagnostics子菜单里将'Automatic solver parameter selection' 设置为none。
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...
Create a legend and assign the Legend object to the variable lgd. Set the FontSize and TextColor properties using name-value arguments. Get rdm = rand(4); plot(rdm) lgd = legend({'Line 1','Line 2','Line 3','Line 4'},... 'FontSize',12,'TextColor','blue'); Modify the ...
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)'. ...