% -*- texinfo -*- % @deftypefn {Function File} {@var{pp} = } csape (@var{x}, @var{y}, @var{cond}, @var{valc}) % cubic spline interpolation with various end conditions. % creates the pp-form of the cubic spline. % % the following end conditions as given in @var{cond} are possible. % @table @asis % @item 'complete' % match slopes at first and last point as given in @var{valc} % @item 'not-a-knot' % third derivatives are continuous at the second and second last point % @item 'periodic' % match first and second derivative of first and last point % @item 'second' % match second derivative at first and last point as given in @var{valc} % @item 'variational' % set second derivative at first and last point to zero (natural cubic spline) % @end table % % @seealso{ppval, spline} % @end deftypefn

- csapi % cubic spline interpolation

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