Adri van der Meer

Adri vanderMeer

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14 years, 100 days
University of Twente (retired)
Enschede, Netherlands

My "website" consists of a Maple Manual in Dutch

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These are answers submitted by Adri van der Meer

Of course this is possible, but no very easy.

Use the option output=list:

with(LinearAlgebra):
A := <a11,-a11,a13; 0,0,0; 0,0,0>;
eig := Eigenvectors(A, output=list);

s := sort( eig, (x,y)->type(x[1],symbol) ); # if you want the nonzero element(s) first
s := sort( eig, (x,y)->x[1]=0 ); # if yoy want the zero(s)  first
V := Matrix( map( op, s[1..2,3] ) ); # the matrix of eigenvectors

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