Ketinit(); Setparent(Cdyname()+"fig"); Setketcindyjs(["Sc=1","Axe=n"]); Ketcindyjsbody(["Diffrential Equation"],[]); Setax(["Size=1.4","","t","","y","","",""]); Expreq(eq):=( regional(str); str="\displaystyle "+eq; str=Assign(str,["L.x",L.x,"G.x",G.x]); str=replace(str,"y''","\frac{d^2y}{dt^2}"); str=replace(str,"y'","\frac{dy}{dt}"); str=replace(str,"*",""); str; ); Slider("C",[0,-5],[0,5],["Size=3"]); Slider("G",[0,-5.5],[10,-5.5]); Slider("L",[0,-6],[10,-6]); eq1="y'=y"; eq2="y''=-L.x*y'-G.x*y"; eq3="[x,y]'=[x*(1-y),0.3*y*(x-1)]"; //Deqplot("1",eq1,"x",0,1); Deqplot("2",eq2,"t=[0,XMAX]",0,[C.y,0],["Num=200"]); //Deqplot("3",eq3,"t=[0,20]",0,A,["Num=200"]); str=Expreq("y''+L.x*y'+G.x*y=0"); Expr([M,"e",str],["size->20"]); Figpdf(); Windispg();