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  • License: Freeware
  • Last update: 6 years ago
  • Total downloads: 174
  • Price: Free |
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: link2358 noname
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scripts default iconGravity (Scripts) Publisher's description

% calling sequence commands

% calling sequence commands

%computes the position and velocities of the several bodies under %the action of gravitatory forces.
%The basic strategy is the Newmark method for time integration %and Newton-Raphson method for the non-linearity of the problem


% given starting body, launching time and launching direction,
% computes velocity to impact target.
%The basic numerical strategy is the secant method for root
% finding
[iniv,iiter,error] = findv(3,7,0.1,0.5,600,[0;-1],1e-5,1e-7,30);

% given starting body, and launching time, computes initial direction so
% that launch velocity is minimal (launch velocity = escape velocity)
% The basic numerical strategy is the secant method for root finding
[alpha1, iniv1, error, kiter] = secant1(3,7,0.1,300,0.5,1e-5,1e-7,30,-pi/2);

System Requirements:

MATLAB 7.8 (R2009a)
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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