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how to collect the coefficients of a matrix?

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suvadip paul
suvadip paul am 4 Okt. 2013
Kommentiert: Azzi Abdelmalek am 4 Okt. 2013
syms m
A=[6*m 2*m]
Then how to collect only the coefficients of m in A in a matrix, i.e., i need
ans= 6 2

Antworten (1)

Azzi Abdelmalek
Azzi Abdelmalek am 4 Okt. 2013
Bearbeitet: Azzi Abdelmalek am 4 Okt. 2013
syms m
A=[6*m 2*m]
for k=1:numel(A);
c(k)=coeffs(A(k));
end
disp(c)
% or
c=subs(A,1)
  2 Kommentare
suvadip paul
suvadip paul am 4 Okt. 2013
Thank you. How it should be modified if A is of the form A=[6*m+9 2*m 2]. I need the answer as ans=[6 2] or [6 2 0]
Azzi Abdelmalek
Azzi Abdelmalek am 4 Okt. 2013
clear
syms m
A=[6*m+9 2*m 2];
for k=1:numel(A)
a=sym2poly(A(k));
if numel(a)>1
out(k)=a(1);
else
out(k)=0;
end
end
disp(out)

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