Tensor Product According to Input (Dynamically)

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Gözde Üstün 2020-7-3
评论： Gözde Üstün 2020-7-6
Hello:
I am trying to use tensor product according to inout number d
How can I write this code better? I am asking that becuase if I have 100 for d I cant write if by hand I want to write more clever things with for but I dont know
function A = td(d)
sigma_x = [0,1;1,0];
if d ==2
A = sigma_x;
if d ==4
A = kron(sigma_x,sigma_x);
end
if d == 8
A = kron(kron(sigma_x,sigma_x),sigma_x);
end
if d ==16
A = kron(kron(kron(sigma_x,sigma_x),sigma_x),sigma_x);
end

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回答（1 个）

Sulaymon Eshkabilov
If your variable sigma_x is 90 rotated eye matrix, then you can use
A = rot90(eye(d));
Good luck

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