dear users , I am using third order software to generate 3rd order force constant . where I am getting an error "ValueError: operands could not be broadcast together with shapes (3,27) (3,189) (3,27) " . can anyone help me to get out of it . my system is CdI2 . and my supercell is 3X3X1 . and i am considering three nearest neighbour interaction. here I am giving my files. also I am not getting why it is generating only 156 supercells ? Reply me . thanks in advance
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