tmp のバックアップソース(No.2) |
%indent 左辺=$$ \delta_{i'}^{k'} $$ =$$ \vec{g}_{i'} \vec{g}^{\,k'} $$ =$$ ( \beta_{i'}^{j} \vec{g}_{j} )( \beta^{k'}_{j} \vec{g}^{\,j}) $$ =$$ ( \beta_{i'}^{j} \vec{g}_{j} )( \vec{g}^{\,j} \beta^{k'}_{j}) $$ =$$ \beta_{i'}^{j} (\vec{g}_{j} \vec{g}^{\,j}) \beta^{k'}_{j} $$ =$$ \beta_{i'}^{j} \beta^{k'}_{j} $$ =右辺 $$ \beta^{i'}_{i} $$ =$$ \ppd{x^{i'}}{x^i} $$ =$$ \ppd{x^j}{x^i} \ppd{x^{i'}}{x^j} $$ =$$ \beta^{j}_{i} \beta^{i'}_{j} $$ =$$ \delta^{i'}_{i} $$ |