[Γa]kli=[Γb]npm∂[xa]i∂[xb]m∂[xb]n∂[xa]k∂[xb]p∂[xa]l+∂2[xb]m∂[xa]k∂[xa]l∂[xa]i∂[xb]m{\displaystyle \left[\Gamma _{a}\right]_{kl}^{i}=\left[\Gamma _{b}\right]_{np}^{m}{\frac {\partial \left[x_{a}\right]^{i}}{\partial \left[x_{b}\right]^{m}}}{\frac {\partial \left[x_{b}\right]^{n}}{\partial \left[x_{a}\right]^{k}}}{\frac {\partial \left[x_{b}\right]^{p}}{\partial \left[x_{a}\right]^{l}}}+{\frac {\partial ^{2}\left[x_{b}\right]^{m}}{\partial \left[x_{a}\right]^{k}\partial \left[x_{a}\right]^{l}}}{\frac {\partial \left[x_{a}\right]^{i}}{\partial \left[x_{b}\right]^{m}}}}