Yeah, I get a "ERROR: no method Triangular{..." error, because my type
doesn't subtype Number. If I do subtype number, then it wants a conversion
function to convert it to a float, so it can use the LAPACK routines.
-Jim
On Tuesday, March 25, 2014 9:22:29 AM UTC-5, Andreas Noack Jensen wrote:
>
> Have you tried to invert it? Maybe it works already. There is a generic
> inv in base/linalg/generic.jl. You'll have to define a one method for you
> type and maybe also a zero method.
>
>
> 2014-03-25 15:14 GMT+01:00 James Crist <[email protected] <javascript:>>:
>
>> I have a type I've defined. It's not a number, but it has all arithmetic
>> operations defined for it. Is there a way to calculate the inverse of a
>> matrix of a user defined type? For example, if I was to define:
>>
>> a = [mytype(1) mytype(2); mytype(3) mytype(4)]
>> b = inv(a)
>>
>> Looking through base, there doesn't seem to be a way to find inverses of
>> non-numeric matrices (although I may be missing it). For my case, even a
>> simple algorithm that only works well for small matrices (<10x10) would be
>> more than sufficient. If a way for doing this doesn't currently exist, I'll
>> probably try to roll my own.
>>
>
>
>
> --
> Med venlig hilsen
>
> Andreas Noack Jensen
>
