Eqn feasibility

On Mon, Feb 16, 2015 at 12:35:16AM +0100, Guilherme Brondani Torri wrote:
> See: http://qucs-help.readthedocs.org/en/qucs-0.0.18/mathfunc.html

this is possible, i just pushed a draft for Eqn.

with this

"""
load lang_qucs.so
load d_eqn.so
parameter a=3
parameter b={foo+1}
qucs
Eqn:Eq1 foo="1+2" bar="foo+a" baz="time*time" more="b+baz+bar"
acs
print tran foo(Eq1) baz(Eq1) more(Eq1)
tran 0 1 .5 trace=a
end
"""

i essentially get
"""
#Time       foo(Eq1)   baz(Eq1)   more(Eq1) 
 0.         3.         0.         10.       
 0.005      3.         25.u       10.       
 0.5        3.         0.25       10.25     
 1.         3.         1.         11.       
"""

this is based on plain PARAMETERs and PARAM_LISTs. no rocket science. if
you want speed, hook up a jit compiler :)

however, some details are open, e.g. access to probes...

have fun
felix