File: oscil.dem

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scilab 2.4-1
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  mode(1)
//
//             ------------------------------
//                     SIMULATION  
//             ------------------------------
//
//                   L                   R     i2
//           -----@@@@@@--------------^v^v^v^v-----
//           !                      !             !
//           !i1                     -----! !------
//           !                             C      !
//           -----(E)------------------------------
//
// Copyright INRIA
   halt()
// 
   l=10; r=1000; c=0.000001; e=10; pe1=0.002; pe2=0.0001;
// 
   getf('SCI/demos/misc/oscil.sci')
   halt()
// initialization : 
// --------------   
//                  
   y0 = [0;0];
   t0 = 0;
   t  = 0:.00003:0.005;
//  solution
// ----------
   yt=ode('adams',y0,t0,t,fty);
   halt()
// plot
// ------
  [m,n]=size(t); en=t;
   en=ene1(t,pe1,pe2);
//

xbasc()
plot2d([t;t]',yt')
xtitle(['main intensity';'resistor'],...
      'time','intensity');
//
cw=xget("window");c_c=cw;if cw>=1 then;cw=cw-1;else cw=cw+1;end
xset("window",cw); xbasc(cw);
plot2d2("gnn",t',en',[1,-1],"111",...
     "en",[mini(t),mini(en)-0.5,maxi(t),maxi(en)+0.5])
xset("window",c_c); 
//
//    save
// ----------
//
//   save('oscil.sa');
halt();
xbasc(0:1);