function [x,y,typ]=DERIV(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 case 'define' then model=scicos_model() model.sim=list('deriv',4) model.in=-1 model.out=-1 model.blocktype='x' model.dep_ut=[%t %f] exprs=[] gr_i=['xstringb(orig(1),orig(2),'' du/dt '',sz(1),sz(2),''fill'');'] x=standard_define([2 2],model,exprs,gr_i) x.graphics.id='s' end endfunction