//CHUAFONC_f Scicos Chua non-linear function block //Classical interface function ver1.0 - scilab-2.7 //18 novembre 2003 - IRCOM GROUP - Author : A.Layec function [x,y,typ]=CHUAFONC_f(job,arg1,arg2) 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;model=arg1.model; exprs=graphics.exprs; while %t do [ok,m0,m1,exprs]=getvalue('Chua non-linear function',... ['m0';'m1'],list('vec',-1,'vec',-1),exprs); if ~ok then break,end; Nu=size(m0,'*') if (size(m0)==size(m1)) then if ok then graphics.exprs=exprs model.in=Nu model.out=Nu model.rpar=[m0(:);m1(:)] x.graphics=graphics; x.model=model break end else message('All parameters must have the same size'); end end case 'define' then Nu=1 m0=-8/7 m1=-5/7 model=scicos_model() model.sim=list('chuafonc',2) model.in=Nu model.out=Nu model.evtin=[] model.evtout=[] model.dstate=[] model.rpar=[m0;m1] model.ipar=[] model.blocktype='d' model.firing=[] model.dep_ut=[%t %f] gr_i=['thick=xget(''thickness'')' 'pat=xget(''pattern'')' 'fnt=xget(''font'')' 'xset(''thickness'',2)' 'xpoly(orig(1)+[0.071;0.369;0.638;0.938]*sz(1),orig(2)+[0.836;0.717;0.289;0.148]*sz(2),"'lines"')' 'txt=''CHUAFUNC'';' 'style=5;' 'rectstr=stringbox(txt,orig(1),orig(2),0,style,1);' 'w=(rectstr(1,3)-rectstr(1,2))*%zoom;' 'h=(rectstr(2,2)-rectstr(2,4))*%zoom;' 'xstringb(orig(1)+sz(1)/2-w/2,orig(2)-h-4,txt,w,h,''fill'');' 'e=gce();' 'e.font_style=style;' 'xset(''thickness'',thick)' 'xset(''pattern'',pat)' 'xset(''font'',fnt(1),fnt(2))' ] exprs=[string('-8/7'),string('-5/7')]; x=standard_define([2 2],model,exprs,gr_i) // x.graphics.id="CHUAFUNC" end endfunction