Not a Problem
Line def in CAS has nonsense entry in AlgebraView
always problems Matrix*Vector + Vector
Files:
Matrix X + Vect...
The same problem 
Line def in CAS has nonsense entry in AlgebraView
always problems Matrix*Vector + Vector
Fractions In Vector like g(t):= (1,2)+t (1,1/2) will fail, no graph in grafik window
Matrix * Point gives Point so you're trying to do Point + Matrix which doesn't work
Hm,
but point + list works?
how to define g_1(t) as vector
( a vector def in AlgView a1=(2,1), r1=(1,1) ===> g_1(t):=a1 + t r1 will crash graph of line in grafics)
or
Test:={A_φ Vector(g_1(0)) + (t_φ),A_φ Vector(g_2(0)) + (t_φ),A_φ (3,2) +Flatten(t_φ)}
same as
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