Load A Bunch Of Mat Files Matlab
First create the mat file object m.
Load a bunch of mat files matlab. If filename has no extension that is no text after a period load looks for a file named filename mat if filename has an extension other than mat the load function treats. For example here i am saving the m file with the naming dipslab m. Load workspace variables from disk. If you do not specify filename the load function searches for a file named matlab mat.
Name of file specified as a character vector or string scalar. To build sequential file names use sprintf. They are all located in a folder called data and i want to run my program on each one of them and save accordingly to a different folder called results. Load load filename load filename x y z load filename regexp exprlist load mat filename.
Filename can include a file extension and a full or partial path. The name of my mat files are in the following format. I am trying to run some code on bunch of mat files with different names which are not in sequence only the starting parts are same. Sample mat file program example write a matlab program to solve the mathematical calculation for example the addition of two numbers calculate the value of a.
For example you can save data to a subset of a variable in a mat file or read a subset of a variable into the matlab workspace. I am trying to load multiple mat files through a script. To find files that match a pattern use dir. Varlist is a cell array containing the names of the four variables in topography mat.
Save data to a subset of a variable y in the file myfile2 mat using the mat file object. Ideally i would like to end up with a table with all data combined from all mat files. Access specific parts of a variable in a mat file using the mat file object. Extension of the new matlab file should be mat or m file.
The third and fourth variables topomap1 and topomap2 are both arrays containing topography data load the elevation data from the third column of each variable into a field of the structure array s for each field specify a field name that is the original variable name prefixed by elevationof. The main reason i do not suggest writing directly mat from c or similar is that you need to have read in the entire array first before you can send it to be written and that can be a memory problem if your files are quite big and requires a bunch of memory management to keep extending the file. For more information see command vs.