How do you see the code form of a command in Mathematica?
I know there is a command in Mathematica, "Unprotect", but how do you actually use this?
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Unprotect is there to remove the
Protected attribute. This allows the definition of a command to be modified, but doesn't necessarily allow you to see the code that makes up the unmodified command.
Protect helps to prevent accidental changes like
+=3 redefining the
+ command. You can even
Protect your own functions if you're worried about accidentally changing a definition.
If you want to read the Wolfram code, I have used:
to access some of the definitions. However, Mathematica is proprietary software. There are many functions where this won't work. For example,
PrintDefinitions[NDSolve] shows a few options, but the actual code itself is a kernel function that cannot be read in this way. If you really want to read the code itself for any arbitrary function, I suspect the only way is to apply for a position at WRI.