function [] = ballspiel_rumpf()
% Konstanten
m =    0.10;
g =    9.81;

% Anfangs und Endzeitpunkt
t0 =   0.0;
t1 =  10.0;

% Startwerte
x0 =   1.2;
v0 =   5.0;


%% ----------------------------------------------------------------
% A: Freier Fall
% -----------------------------------------------------------------
% [ ... ] = ode45(@myFunA,  ... );
% figure; plot( ... ); grid on; ylim([-0.5 3]);

end



function dY = myFunA(t, Y)
    m =   0.10;
    g =   9.81;

    dY = zeros(2,1);
    %% to do ...
    % dY(1) = 
    % dY(2) = 
end