Writing a loop to create a matrix

1 Ansicht (letzte 30 Tage)
Kent Doan
Kent Doan am 2 Mai 2022
if N==1
Lambda = A;
elseif N==2
Lambda = [A A^2]';
elseif N==3
Lambda = [A A^2 A^3]';
elseif N==4
Lambda = [A A^2 A^3 A^4]';
elseif N==5
Lambda = [A A^2 A^3 A^4 A^5]';
end
Given that A is a matrix, how do I create a loop that creates:
Lambda = [A A^2 A^3... A^(N-2) A^(N-1) A^N]';

Akzeptierte Antwort

Davide Masiello
Davide Masiello am 2 Mai 2022
Bearbeitet: Davide Masiello am 2 Mai 2022
Example
A = rand(3)
A = 3×3
0.5684 0.3903 0.6124 0.2054 0.1345 0.8194 0.4885 0.8078 0.9672
n = 10;
lambda = [];
for i = 1:n
lambda = [lambda;A.^i];
end
lambda
lambda = 30×3
0.5684 0.3903 0.6124 0.2054 0.1345 0.8194 0.4885 0.8078 0.9672 0.3231 0.1523 0.3750 0.0422 0.0181 0.6714 0.2386 0.6525 0.9355 0.1837 0.0594 0.2296 0.0087 0.0024 0.5502 0.1166 0.5271 0.9048 0.1044 0.0232 0.1406

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