這裏是我的代碼:如何引用Python中另一個類的方法中的函數「返回」?
class MetricTensor: #The Metric Tensor Class
def __init__(self, g0, g1, g2, g3, g4, g5, g6, g7, g8, g9, g10, g11, g12, g13, g14, g15): #Metric components
self.g0 = g0
self.g1 = g1
self.g2 = g2
self.g3 = g3
self.g4 = g4
self.g5 = g5
self.g6 = g6
self.g7 = g7
self.g8 = g8
self.g9 = g9
self.g10 = g10
self.g11 = g11
self.g12 = g12
self.g13 = g13
self.g14 = g14
self.g15 = g15
def LMetric(self):
lmetric = [self.g0, self.g1, self.g2, self.g3, self.g4, self.g5, self.g6, self.g7, self.g8, self.g9, self.g10, self.g11, self.g12, self.g13, self.g14, self.g15]
return list(lmetric)
def Mmetric(self,lmetric):
mmetric = np.matrix([lmetric[0],lmetric[1],lmetric[2],lmetric[3], [lmetric[4],lmetric[5],lmetric[6],lmetric[7]], [lmetric[8],lmetric[9],lmetric[10],lmetric[11]], [lmetric[12],lmetric[13],lmetric[14]],lmetric[15]])
return mmetric
def InvMmetric(self,mmetric):
invmmetric = self.np.linalg.inv(mmetric)
return invmmetric
def LInvMetric(self,invmmetric):
linvmetric = list(invmmetric)
return linvmetric
class ChristoffelSymbol(MetricTensor):
def __init__(self,a, b, c):
self.a = a
self.b = b
self.c = c
Ca = None
for k in numcoords:
Ca += 1/2*(linvmetric)
通知的MetricTensor類的最後一個方法:LInvmetric,這個函數返回:linvmetric。
我的問題是: 如何在一個新類(ChristoffelSymbol)中使用這個return(linvmetric),它是第一個(MetricTensor)的子類?
更準確地說,我該如何只使用linvmetric中的一個元素(因爲它是一個列表,我想使用linvmetric [0])?經過一番討論
numpy的被導入爲 「NP」 – Investor
'''what_i_want,* _ = self.LInvMetric(invmmetric)''' – wwii