deletions | additions       diff --git a/K_q_q__.tex b/K_q_q__.tex  deleted file mode 100644  index afa1032..0000000  --- a/K_q_q__.tex  +++ /dev/null 
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K_{q q} & = & - \frac{2 M\left[ M q^2 + R (q^2 - z^2 ) \right]}{R^4\sqrt{R (R + 2 M)}}\ \,\, , \,\, K_{q z} = - \frac{2 M q z (2 R + M)}{R^4\sqrt{R (R + 2 M)}}\\  K_{z z} & = & - \frac{2 M\left[ M z^2 + R (z^2 - q^2 ) \right]}{R^4\sqrt{R (R + 2 M)}} \,\, , \,\, K_{\phi \phi} = \frac{2 M q^2}{R\sqrt{R (R + 2 M)}}  diff --git a/layout.md b/layout.md  index 046df20..62064a2 100644  --- a/layout.md  +++ b/layout.md 
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brace_ds2__.tex  In_cylindrical_coord.tex  and_the_field_quanti.tex  K_q_q__.tex  In_Cartesian_coordin.tex  brace_ds2__left.tex  In_Cartesian_coordin.tex