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Diffstat (limited to 'docs/source/operations/projections/merc.rst')
| -rw-r--r-- | docs/source/operations/projections/merc.rst | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/source/operations/projections/merc.rst b/docs/source/operations/projections/merc.rst index 2107b7b2..6eae9d36 100644 --- a/docs/source/operations/projections/merc.rst +++ b/docs/source/operations/projections/merc.rst @@ -181,7 +181,7 @@ This is obtained by taking the :math:`\sinh` of the equation for using :math:`\tau = \tau'/(1 - e^2)` as an initial guess and with the needed derivative given by -..math:: +.. math:: \frac{d\tau'}{d\tau} = \frac{1 - e^2}{1 + (1 - e^2)\tau^2} \sqrt{1 + \tau'^2} \sqrt{1 + \tau^2} |