質問編集履歴
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@@ -2,247 +2,7 @@
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ちなみに、調べてfig.tight_layout()としたらエラーがでました。
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```python
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import numpy as np
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import matplotlib.pyplot as plt
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import math
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from mpl_toolkits.mplot3d import Axes3D
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from matplotlib import cm
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import matplotlib.colors as colors
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#まだちょっとおかしい
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#環境設定
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n=10 #tの範囲
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m=10 #xy
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r=2
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theta=3*(math.pi)/12
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#いろいろ準備
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t_list=[]
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x_list=[]
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y_list=[]
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phi_map =np.zeros((2*m+1,2*m+1,2),dtype="complex")
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phi_map[m,m]=[1j/math.sqrt(2),1j/math.sqrt(2)] #初期状態
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p_map=np.zeros([2*m+1,2*m+1])
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#量子コイン
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P = [[math.cos(theta),-1j*math.sin(theta)],
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[0,0]] #+xに進む
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Q = [[0,0],
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[-1j*math.sin(theta), math.cos(theta)]] #-xに進む
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#量子コイン
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R = [[1/math.sqrt(r), math.sqrt((r-1)/r)],
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[0,0]] #+yに進む
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S = [[0,0],
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[math.sqrt((r-1)/r), -1/math.sqrt(r)]] #留まる
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for i in range(0,2*m+1):
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p=np.inner(phi_map[i,i],np.conj(phi_map[i,i]))
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p_map[i,i]=np.real(p) #もしかして、2状態じゃおかしい？
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x_list.append(i)
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y_list.append(i)
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for t in range(0,n+1):
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t_list.append(t)
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if t == 0:
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phi_map
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p_map
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else:
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next_phi_map = np.zeros((2*m+1,2*m+1,2),dtype="complex") #x軸の変化
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final_phi_map= np.zeros((2*m+1,2*m+1,2),dtype="complex") #最終
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for x in range(0,2*m+1):
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if x == 0:
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for y in range(m,2*m+1):
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if y == m:
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next_phi_map[x,y] = np.array([np.dot(Q, phi_map[x+1,y])])
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#final_phi_map[x,y+1] = np.array([np.dot(R, next_phi_map[x,y])]) #この計算はelseの場所に含まれる
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final_phi_map[x,y] = np.array([np.dot(S, next_phi_map[x,y])])#+np.array([np.dot(R, next_phi_map[x,y-1])])
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elif y ==2*m:
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next_phi_map[x,y] = np.array([np.dot(Q,phi_map[x+1,y])])
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final_phi_map[x,y] = np.array([np.dot(S,next_phi_map[x,y])+np.dot(R,next_phi_map[x,y-1])])
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#final_phi_map[x,y+1]=np.array([np.dot(S,next_phi_map[x,y])])
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else:
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next_phi_map[x,y] = np.array([np.dot(Q, phi_map[x+1,y])])
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final_phi_map[x,y] = np.array([np.dot(R,next_phi_map[x,y-1])+np.dot(S,next_phi_map[x,y])])
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elif x == 2*m:
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for y in range(m,2*m+1):
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if y == m:
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next_phi_map[x,y] = np.array([np.dot(P, phi_map[x-1,y])])
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#final_phi_map[x,y+1] = np.array([np.dot(R,next_phi_map[x,y])])
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final_phi_map[x,y] = np.array([np.dot(S,next_phi_map[x,y])])
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elif y ==2*m:
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next_phi_map[x,y] = np.array([np.dot(P,phi_map[x-1,y])])
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final_phi_map[x,y] = np.array([np.dot(S,next_phi_map[x,y])+np.dot(R,next_phi_map[x,y-1])])
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#final_phi_map[x,y+1] = np.array([np.dot(S,next_phi_map[x,y])])
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else:
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next_phi_map[x,y] = np.array([np.dot(P, phi_map[x-1,y])])
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final_phi_map[x,y] = np.array([np.dot(R,next_phi_map[x,y-1])+np.dot(S,next_phi_map[x,y])])
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#final_phi_map[x,y] =np.array([np.dot(S,next_phi_map[x,y])])
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else:
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for y in range(m,2*m+1):
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if y == m:
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next_phi_map[x,y] = np.array([np.dot(P,phi_map[x-1,y])+np.dot(Q,phi_map[x+1,y])])
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#final_phi_map[x,y+1] = np.array([np.dot(R,next_phi_map[x,y])])
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final_phi_map[x,y] = np.array([np.dot(S,next_phi_map[x,y])])#+np.array([np.dot(R,next_phi_map[x,y-1])])
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elif y == 2*m:
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next_phi_map[x,y] = np.array([np.dot(P,phi_map[x-1,y])+np.dot(Q,phi_map[x+1,y])])
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final_phi_map[x,y]= np.array([np.dot(S,next_phi_map[x,y])+np.dot(R,next_phi_map[x,y-1])])
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else:
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next_phi_map[x,y] = np.array([np.dot(P,phi_map[x-1,y])+np.dot(Q,phi_map[x+1,y])])
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final_phi_map[x,y] = np.array([np.dot(R,next_phi_map[x,y-1])+np.dot(S,next_phi_map[x,y])])
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#final_phi_map[x,y] = np.array([np.dot(S,next_phi_map[x,y])])
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p_map[x,y]= np.real(np.inner(final_phi_map[x,y], np.conj(final_phi_map[x,y])))
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phi_map=final_phi_map
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#print(t,p_map)
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fig = plt.figure()
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ax = Axes3D(fig)
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X,Y = np.meshgrid(x_list, y_list)
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ax.set_xlabel("x",fontsize=24)
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ax.set_ylabel("y",fontsize=24)
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ax.set_zlabel("|φ^2|",fontsize=18)
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ax.set_xlim(2*m,0)
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ax.set_ylim(0,3*m)
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ax.set_zlim(0,0.006)
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offset = p_map.ravel() + np.abs(p_map.min())
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fracs = offset.astype(float)/offset.max()
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norm = colors.Normalize(fracs.min(), fracs.max())
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clrs = cm.bwr(norm(fracs))
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ax.bar3d(Y.ravel(), X.ravel(), p_map.ravel() ,0.3, 0.3, -p_map.ravel(),color =clrs)
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ax.w_xaxis.set_pane_color((0, 0, 0, 0))
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ax.w_yaxis.set_pane_color((0, 0, 0, 0))
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ax.w_zaxis.set_pane_color((0, 0, 0, 0))
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#fig.tight_layout(rect=[0, 0.03, 1, 0.95]) #ここです！！！
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plt.show()
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```
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