:py:mod:`pytmosph3r.util.math`
==============================

.. py:module:: pytmosph3r.util.math


Module Contents
---------------

.. py:function:: nmin(x, y)


.. py:function:: nmax(x, y)


.. py:function:: nround(x, y)


.. py:function:: interp1d(xx, yy, xkind='linear', ykind='linear', **kwargs)


.. py:function:: bilinear_interpolation_array(z00, z10, z01, z11, x, y, res)

   2D interpolation
   Applies linear interpolation across x and y between xmin,xmax and ymin,ymax.
   x, y and z must be 1D-arrays of the same length.

   :param z00: Array corresponding to xmin,ymin
   :type z00: array
   :param z10: Array corresponding to xmax,ymin
   :type z10: array
   :param z01: Array corresponding to xmin,ymax
   :type z01: array
   :param z11: Array corresponding to xmax,ymax
   :type z11: array
   :param x: weights on x coord
   :type x: array
   :param y: weights on y coord
   :type y: array


.. py:function:: interp_ind_weights(x_to_interp, x_grid)

   Finds the indices and weights to interpolate from a x_grid to a x_to_interp.



.. py:function:: roots(a, b, c)

   Find roots of a polynomial, i.e., find `x` for :math:`ax^2 + bx + c = 0`.