true true true DESCRIPTION_EDITOR Intro Page true Designed by Fu-Kwun Hwang http://www.phy.ntnu.edu.tw/ntnujava/ ]]> 20 1 false VARIABLE_EDITOR coordinate true VARIABLE_EDITOR basic true VARIABLE_EDITOR language true VARIABLE_EDITOR view true CODE_EDITOR 初始值 true ODE_EDITOR ODE true t dt dt vx[i] vy[i] vxr[i] vyr[i] MidPoint CODE_EDITOR 關係式 true xmax/2. && y[i]+dy[i]xmax ){ x[i]=x[n1]-wavelength*cs1; y[i]=y[n1]+wavelength*sc1; dx[i]=d*sc1; dy[i]=d*cs1; vx[i]=vi*cs1; vy[i]=-vi*sc1; n1=i; } if(xr[i]xc){ dx[i]=xc-x[i]; dy[i]=dx[i]/sc1*cs1; x2[id]=x[i]+dx[i]; y2[id]=y[i]+dy[i]; dd=(d1-dx[i]/sc1/cs1)*cs2; dx2[id]=dd*sc2; dy2[id]=dd*cs2; id++; } } ]]> LIBRARY_EDITOR chinese true LIBRARY_EDITOR playpause true true Elements.Frame Frame true true Elements.Panel Panel Frame south Elements.Slider Slidernii Panel Elements.Slider Sliderctaa Panel false Elements.Panel Panel3 Panel Elements.CheckBox CheckBox Panel3 Elements.CheckBox reflected Panel3 false Elements.Panel Panel2 Panel Elements.Button reset Panel2 Elements.Button playpause Panel2 true Elements.DrawingPanel DrawingPanel Frame center Elements.ArrowSet ArrowSet3 DrawingPanel Elements.Particle base DrawingPanel Elements.Arrow ArrowH DrawingPanel Elements.ArrowSet ArrowSet2 DrawingPanel 1]]> Elements.Arrow Vline DrawingPanel Elements.ArrowSet ArrowSet DrawingPanel Elements.Arrow Arrowin DrawingPanel 0)arrowx=0; if(arrowy<0)arrowy=0; c1=Math.atan2(arrowy,-arrowx); cta=c1*180/pi; _initialize();]]> Elements.Arrow Arrowout DrawingPanel Elements.Particle base2 DrawingPanel Elements.Slider Sliderd Frame east