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Getting help

jMathLab has it's own help system. All programming modules are arranged in groups. You can list all functions which come with the program executing this statement:


It print all modules and functions. Functions typically ends with ”.m” (MatLab scripts) or ”.java” (Java-implemented functions). You can get help and examples on a particular function as: You can add a new directory with your ”.m” files using addpath methods.


where “acosh” is the name of the function. This will generate a dialog which shows how to use this function.

Exercise: Try to see what “help” function is doing by replacing “acosd” with “help”

To view variables which exist in the memory of the program, use who:


Determining object type

You can determine the type of the object using the “type” method:

Try this exaple which prints the type of the symbolic expression “z*y”:

syms x,y

Online help

There are more than 100 built-in functions included with jMathLab. They are implemented as a external MatLab functions (with the extension .m) or as a Java classes. You can look at them using the command path. Look at the reference manual Reference manual. Currently, only DataMelt full members can see the description of the methods.

jmathlab/help.txt · Last modified: 2015/05/10 17:18 (external edit)
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