#NEWLINE# def getA( self , tInd ) : #NEWLINE# #INDENT# '\n            :param int tInd: Time index\n            :rtype: scipy.sparse.csr_matrix\n            :return: A\n        ' #NEWLINE# dt = self . timeSteps [ tInd ] #NEWLINE# return ( ( ( ( ( self . MfMui * self . mesh . edgeCurl ) * self . MeSigmaI ) * self . mesh . edgeCurl . T ) * self . MfMui ) + ( ( 1.0 / dt ) * dt . MfMui ) )