[Dots and lines.] - A New Kind of Science: The NKS Forum

A New Kind of Science: The NKS Forum

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Dots and lines.

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Posted by: Matthew Finnigan

Has anybody figured out how to make a rule for dots and lines that obeys minkowski geometry, but which allows for violations of the speed limit in some circumstances, but also which rids us of them (or probably does) in lower energy scales? Also, speaking of energy, has anyone thought of a theory where energy is measured as a specific kind of relationship between dots and lines, in a way that resembles curvature, so we could have positive energy and negative energy?

Also, does anybody know how to run programs on mathematica? I don't own a registered version, and I was wondering maybe that's why I couldn't run programs.


Posted by: Jason Cawley

On "how to run programs" in Mathematica, it is rather hard to see what you are asking when you tell us you don't own the program. Perhaps you have MathReader, which allows anyone to read Mathematica notebooks and is available as a free utility.

To execute Mathematica code you need the real thing - whether a student version, access to the professional version through an institutional site license (many people have free access to Mathematica through institutions that have already licensed it, without being aware of it), or your own copy.

Mathematica is an interpreted language, with each line executing as a command whenever you hit shift-return with that line selected. Any line so selected may of course refer to or call functions defined previously.

At the most basic level, if you type a line and hit shift-return at the end you are running the program written on that line. At the most elaborate, you can define a function with n parameters that runs on for pages calling lots of other functions; initialize all of that to store the definitions in your "kernel"; then type the function name with some choice of parameters on a new line and hit shift-return - to run the whole thing.

It might help if you were more specific.




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