Change Variable Name In Mat File

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Change variable name in mat file. It would be cool to have a possibility to automatically determin the variable name or just to asign it to another given variable. The load option with output argument then your variables become fields of that struct which allows you to rename them renaming variables themselves is not a fun task. What i am asking is how can i use the name of the mat file here lrww in the rest of the commands without having to write it manually. This saves my data in data mat file but with variable name mydata.

Matlab 7 14 r2012a 27 1 6 0 17 2012 march 1 2012 last version with 32 bit linux support. The mat file object allows you to access and change variables directly in a mat file without having to load the variables into memory. This method follows the general rule of thumb to avoid poofing variables into the workspace. Name of file specified as a character vector or string scalar.

Now you want to load that variable but with the name t. Example matobj matfile filename writable iswritable enables or disables write access to the file. A similar problem occurs if i load a file but for any reason have no possibility to read out the name of the variable stored in it. Now whenever i am loading a new mat file i am changing the name of the variable 6 times in the program.

Now i want to save values of mydata in mat file but i want to save the value under a variable name given via input function. Matlab 8 r2012b 28 1 6 0 17 september 11 2012. I want to create a for loop that loads all the mat files and assigns the matrixes to a new name so i can access the different matrices specifically. Access change parts of variables directly in mat files without loading into memory.

You can then save the struct back out to the mat file with the struct flag. T load. Say that i have a mat file that contains a variable and i need to load this variable and give it a different name. If filename has no extension that is no period followed by text and the value of format is not specified then matlab appends mat if filename does not include a full path matlab saves to the current folder.

I have several matlab files 1 mat 2 mat 3 mat 25 mat and each file contains a 24x4 matrix named a. If you do not specify filename the save function saves to a file named matlab mat.