On 04/06/2012 13:51, inge...@ragnemalm.se wrote:
I am writing a unit for dealing with matrix algebra with arbitrary sized
matrices (as opposed to the FPC unit that deals with a few fixed size
ones).
If you are writing that for your fun and to learn, go ahead, if what you
really want is to have a unit to deal with arbitrary sized matrices,
just go to:
http://wiki.freepascal.org/5dpo
and install the SdpoDynmatrix package.
There you have automatically ref counted arbitrary sized matrices with
overloaded operators to add, subtract, multiply and invert them.
As for the initialization of a matrix you can do the, somewhat ugly but
effective, trick of creating a function like:
// Converts a String representation to a TDMatrix
// a11 a12 a13; a12 a22 a23;
function StringToDMatrix(str: string): TDMatrix;
and then write:
A := StringToDMatrix('1 2 3; 4 5 6;');
Paulo Costa
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