Load Specific Variable From MAT-File Load only variableyfrom example filehandel.mat. If the workspace already contains variabley, theloadoperation overwrites it with data from the file. load('handel.mat','y') You also can use command syntax to load the variable,y. ...
load test.mat % command form load("test.mat") % function form You can include any of the inputs described in previous syntaxes. For example, to load the variableXfrom a file namedmy file.mat: load 'my file.mat' X % command form, using single quotes load("my file.mat","X") %...
For example, to load the variable X from a file named my file.mat: load 'my file.mat' X % command form, using single quotes load("my file.mat","X") % function form, using double quotes Do not use command form when any of the inputs, such as filename, are variables. example...
When you do not know the size of a large variable in a MAT-file and want to load only parts of that variable at a time, avoid using theendkeyword. Using theendkeyword temporarily loads the entire contents of the variable in question into memory. For very large variables, loading takes a ...
Example:Battery.loadDataFromMatFile(FileName,'TimeVariable','myTimeVariable') Data Types:char VoltageVariable—Voltage variable in MAT file volt(default) |character vector Use this value to specify the voltage variable to search for in the MAT file. If unspecified, the method searches for variab...
I am loading data from a .mat file in App Designer. The user selects the .mat file and I would like to load a variable from the selected file, assigning it to an existing property in the app, like this: app.x = load([app.path'\'app.file],'inputVariable'); ...
You can include any of the inputs described in previous syntaxes. For example, to load the variable namedX: load durer.mat X % command form load('durer.mat','X') % function form However, do not use command form when any of the inputs, such asfilename, are variables or strings. ...
Names of variables, specified as one or more character vectors or string scalars. Each variable name must be a compile-time constant. Use the*wildcard to match patterns. Example:coder.load('myFile.mat','A*')loads all variables in the file whose names start withA. ...
因为data.mat文件中存储数据的变量的名称不一定是“data”。查看一下load之后到底从data.mat载入了什么变量。
我也遇到过这个问题，怀疑是qq.mat已经成功载入了，但是当函数运行结束时，又把所产生的变量删除了。