I have come across this previously but I never had the energy to report it.
The problem is that there exist a bug in Vector[row] when n>10.

For example run the below code:

restart:
with(LinearAlgebra):
a1 := Vector[row]([seq(w[i], i = 1 .. 5)]);
a2 := Vector[column]([seq(w[i], i = 1 .. 5)]);

a3 := Vector[row]([seq(w[i], i = 1 .. 20)]);
a4 := Vector[column]([seq(w[i], i = 1 .. 20)]);

a1.a2;
a3.a4;

   ...

This is the Affine Scaling Algorithm outlined by:

Linear and nonlinear programming with Maple: an interactive, applications ...
Paul E. Fishback,Paul F. Fishback

I think I will continue posting some good questions from
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412A Clarkson Hall, Whitson University
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