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疊加曲線,我想打一系列的曲線,通過使用這個腳本,使像視頻圖像:與matplotlib
from pylab import *
a = 1
L = 3.0
T = 1
dx = 1e-3
dt = 1e-2
NX = int(ceil(L/dx))
NT = int(ceil(T/dt))
X = np.linspace(-L,L, NX)
U0 = 1./sqrt(2*np.pi)*np.exp(-X**2/2)
Un = U0
Unext = zeros(NX)
line, = plot(X,U0)
show()
for n in range(NT):
Unext[1:-2] = 1./2*(Un[2:-1]+Un[0:-3])
Unext[1:-2] += -a*dt/2*dx*(Un[2:-1]+Un[0:-3])
Un = Unext
line.set_ydata(Un)
draw()
但問題是,我只有第一個。有人能幫助我嗎?