Matrix

Preben Alsholm — Tue, 12 Mar 2013 18:50:29 Z

Let B be a matrix, not a list.
restart;
B := Matrix(1 .. 10, 1 .. 3);
for j to 3 do
for i to 10 do
B[i, j] := [RootFinding:-Analytic(eval(x*tan(x)-I*i+10), x = (j-1)*Pi+0*I .. j*Pi+10*I)]
end do
end do:
#########
#Then to get values for i=1..10 and j=2 do
B[1..10,2];

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Matrix