Ex5-4 - Ex5-4.al Set up problem frames a,b,c points load no...

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Sheet1 Page 1 % Ex5-4.al % Set up problem frames a,b,c points load % no ao, since it is created automatically by frames a constants s,h,lb,lc,ab variables bc'' % Rotation matrices % Note system configuration when all angles are zero simprot(a,b,3,ab) simprot(b,c,3,bc) a_c=a_b*b_c % Position vector % Note unit vectors used in this expression
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Unformatted text preview: p_ao_load>=s*t*a1>+h*a2>+lb*b1>-lc*c1> express(p_ao_load>,a) % Derivative of vector function % Question: Why are the two results below different, % and which one is the correct total time derivative in A? deriv1_in_a>=d(p_ao_load>,t,a) deriv2_in_a>=dt(p_ao_load>,a)...
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