DIFF_f
function [x,y,typ]=DIFF_f(job,arg1,arg2)
// Copyright INRIA
x=[];y=[];typ=[]
select job
case 'plot' then
standard_draw(arg1)
case 'getinputs' then
[x,y,typ]=standard_inputs(arg1)
case 'getoutputs' then
[x,y,typ]=standard_outputs(arg1)
case 'getorigin' then
[x,y]=standard_origin(arg1)
case 'set' then
x=arg1
graphics=arg1.graphics;exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,x0,xd0,exprs]=getvalue('Set continuous linear system parameters',..
['Initial state','Initial Derivative'],list('vec',1,'vec',1),exprs)
if ~ok then break,end
graphics.exprs=exprs;
model.state=[x0(:);xd0(:)];
x.graphics=graphics;x.model=model
break
end
x.model.firing=[] //compatibility
case 'define' then
x0=[0;0]
model=scicos_model()
model.sim=list('diffblk',10001)
model.in=1
model.out=1
model.state=x0
model.blocktype='c'
model.dep_ut=[%f %t]
exprs=[strcat(sci2exp(x0(1)));strcat(sci2exp(x0(2)))]
gr_i=['xstringb(orig(1),orig(2),'' s '',sz(1),sz(2),''fill'');']
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction