function dydt = blowup_deriv ( t, y )

%*****************************************************************************80
%
%% blowup_deriv() evaluates the right hand side of blowup_ode().
%
%  Licensing:
%
%    This code is distributed under the MIT license.
%
%  Modified:
%
%    29 April 2021
%
%  Author:
%
%    John Burkardt
%
%  Reference:
%
%    John D Cook,
%    Approximating a solution that doesn't exist,
%    https://www.johndcook.com/blog/2009/08/11/approximating-a-solution-that-doesnt-exist/
%    11 August 2009.
%
%  Input:
%
%    real T, Y: the time and solution value.
%
%  Output:
%
%    real DYDT: the derivative value.
%
  dydt = y.^2;

  return
end

