lec8_anim_diffeqn

# lec8_anim_diffeqn - from pylab import * #-SLIDE 3-#from...

This preview shows pages 1–2. Sign up to view the full content.

from pylab import * #---SLIDE 3---- #from pylab import * #def mysin(x,k): # return sin(k*x) #x=linspace(0,4*np.pi,400) ##NOTE ','after line! #line, = plot(x,mysin(x,1),'b-') #axis([min(x),max(x),-1.1,1.1]) #k=linspace(0.2,30,20) #for ki in k: # line.set_ydata(mysin(x,ki)) # draw() #-------SLIDE 4--------- #more complicated animation #saveFigs=False # #def gauss(x,A=1.,sig=1.,x0=5.): # return A*np.exp(-(x-x0)**2/sig) # # #close('all') ##dx is the step size in the animation #dx=0.5 #StopX=10 #x=np.arange(0,10,0.02) #StartX=0. ##ion() ### NOTE the trailing comma - "line" needs to be a tuple referring to a particular curve #line,=plot(x,gauss(x,x0=StartX)*np.sin(4*x)) #axis([min(x),max(x),-1,1]) #title("An Animation") #CurrentX=StartX #Reflects=0 #base='wavepacket_' #frameNumber=0 # #while Reflects <=1: # #Check if we need to send the pulse back the other way. # if CurrentX >= StopX or CurrentX < StartX: # dx=-dx # Reflects+=1 # frameNumber+=1 # CurrentX+=dx # #This updates the y-values ony.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 10/05/2010 for the course PHYS phy503 taught by Professor Gladden during the Spring '09 term at Ole Miss.

### Page1 / 3

lec8_anim_diffeqn - from pylab import * #-SLIDE 3-#from...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online