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I want to find vector of determinants

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Jonghun
Jonghun 2013-7-28
a= 1 x 4 vector
b= 1 x 4 vector
c= 1 x 4 vector
d= 1 x 4 vector
-my code-
detvector=det([a b c d]);
-I want to get detvector=[det([a(1) b(1); c(1) d(1)]),det([a(2) b(2); c(2) d(2)]),det([a(3) b(3) ;c(3) d(3)]),det([a(4) b(4); c(4) d(4)])]. But my code doesn't works. How can I solve it?

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2013-7-28
Your code is correct, you can use arrayfun function
out=arrayfun(@(x) det([a(x) b(x);c(x) d(x)]),1:numel(a))

更多回答（1 个）

Matt J
Matt J 2013-7-28
编辑：Matt J 2013-7-28
detvector = a.*d - b.*c

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