function dydt = sqrty_deriv ( t, y )

%*****************************************************************************80
%
%% sqrty_deriv evaluates the right hand side of the "sqrty" ODE.
%
%  Licensing:
%
%    This code is distributed under the GNU LGPL license.
%
%  Modified:
%
%    18 October 2020
%
%  Author:
%
%    John Burkardt
%
%  Input:
%
%    real T(:), Y(:), the arguments of the derivative.
%
%  Output:
%
%    real DYDT(:), the value of the derivative.
%
  dydt = ( 1.0 + 2.0 * t ) * sqrt ( y );

  return
end

