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atan2 of successive point in an Array

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Rica
Rica 2013-6-26
关闭: MATLAB Answer Bot 2021-8-20
Hi all!
how could i calculate the atan2 for this Vector in this way:
A=[a0 a1 a2 a3 a4......]
atan_vec=[atan2(a1,a0) atan2(a3,a2) atan2(a4,a3),......]
thank you for the Help

回答(1 个)

Andrei Bobrov
Andrei Bobrov 2013-6-26
编辑:Andrei Bobrov 2013-6-26
out = atan2(A(2:end),A(1:end-1));
or
for jj = numel(A)-1:-1:1
out(jj,1) = atan2(A(jj+1),A(jj));
end
or
out = arrayfun(@(ii)atan2(A(ii+1),A(ii)),(1:numel(A)-1)');
or
a = hankel(A(1:end-1),A(end-1:end));
out = atan2(a(:,2),a(:,1));

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