MatrixForm
- To: mathgroup at smc.vnet.net
- Subject: [mg8804] MatrixForm
- From: Kent Day <kentd at ces.clemson.edu>
- Date: Thu, 25 Sep 1997 12:26:40 -0400
- Organization: Clemson University
- Sender: owner-wri-mathgroup at wolfram.com
I am new to mathematica and am having a problem understanding the way it
uses MatrixForm. The manual says it only affects the look of the
equation and not the way it is processed however if I use it I get
"strange" results.
a={{a11,a12},{a21,a22}}
b={{b11,b12},{b21,b22}}
MatrixForm[a+b]
MatrixForm[a]+MatrixForm[b]
MatrixForm[a]+b
all yield different results. Only the first one being what I would've
expected i.e. a new matrix {{a11+b11,{a12+b12} etc.. the last one gives
the strangest result in which is each element of b is added to the
entrire a matrix.
any suggestions? also, once a function is in matrixForm as in
f=MatrixForm[a] how can I get f back into list form (is there a ListForm
kind of command?)
if you reply could you cc my email
hkowalc at eng.clemson.edu
thanks
Henri Kowalczyk