[Maxima] computing christoffel symbols
twidlar at yahoo.com
Wed Sep 5 16:28:00 CDT 2007
My colleague computed the Christoffel symbols to verify the calculations
given in Sean Carroll's book by using Maxima matrices. His session is
in the attachment.
I wanted to do the samr thing using the tensor package. It seemed it
would only take a few lines.
I am told
Division by 0#0: cmetric(dis=)(ctensor.mac line 310) -- an error.
To debug this try debugmode(true);
So obviously I don't know what I am doing.
1. How should I do it?
2. How did he get that nice output of the WxMaxima session?
3. He said he got the Greek letters by simply puting in their names
without a preceding %. That didn't work for me? Is there a trick?
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