Useful Matlab Commands

There are number of useful commands that will help you keep sanity in Matlab.

If you want to run Matlab in terminal mode to avoid the very resource and memory taxing Java interface.

	matlab -nodesktop

Then if you want add all paths in the current and subfolders

addpath(genpath(pwd))

And maybe displays all available variables

	who

Sometimes the printing of information will not happen because resources are going somewhere else you can force the printing just like the flush command in C++. To flush the output you can do this, however, the command probably only is relevant for the Java interface.

drawnow(update);

Sometimes or most of the time you need to debug the code. You can then give Matlab the command to stop where the error occurred with all the variables in the scope available for inspection. It will make your life 100% easier if not 200%.

dbstop on error

Another useful debugging command is:

dbstop if nanif

It only looks for nan inf values that appears in your code and stops. Extremly useful for discovering spurios NaN and Inf values that comes up at unexpected places.

Once the script has stopped due to an error you can move up in the stack trace using,

dbup

and to continue running after an error has been raised you can just write,

dbcont

To turn of the error stopping functionality you can use this command,

dbclear all