Re: [Qucs-help] equation: scalar - vector operations

[Stefan J. <st...@gr...>]

Am Mo, 26.06.2006, 21:38, schrieb Antonio:

> Hi,

Hello Antonio,

> [cut]
>> > Well, in fact this should be possible.  I'll look at the example and
>> > come up for a comment...
>>
>> This is very good news. Unfortunately I'm not jet able to do such
>> operations, is there a particular syntax?
>>
>> To trigger the error I see please modify the least equation  to
>>
>>    n = k * sqrt( L1 / L2 )
>>
>> in this way I get this error during the simulation:
>>
>>    vector 'L1' and 'L2' have different sizes
>>
>> while I would like a vector named n with all the calculated values.
>
> I found the problem. If I use the "constant" sweep parameters I've set
> to define some "global variable" I get the error since these values
> although constants are treated as vectors and the simulator gives the
> dimension mismatch error. If I put directly the numeric values I got
> the correct result, but in this way I lose the gain to define such
> "global variables". I think would be a good thing to fix, otherwise...
> well I'll learn to live with it ;-).
>
> Many thanks, at least I've found a workaround with your help :).

I just send Raimund a patch which enables the simulator to solve your

   n = k * sqrt( L1 / L2 )

equation, where k, L1 and L2 may be vectors with different size, but being
multiples of each other.  I fixed this for all two-vector operations.

Cheers, Stefan.