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one scalar from two vectore

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Emily Baldi
Emily Baldi 2015-1-22
关闭： MATLAB Answer Bot 2021-8-20
I have two vectors. one speed (v1 v2 v3) and one that identifies the car on (a1 a2 a3). Only one car is running. which block I have to use to get the single speed? the bits of two cars are zero and the bits of a car is 1.

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回答（2 个）

dpb
dpb 2015-1-22
If a is a numeric array of bits,
V=v(logical(a));
Alternatively, keep a as logical array to avoid the cast or if it must be numerical it's also
V=v(find(a));
but logical will be faster than find I'd expect.
  1 个评论
dpb
dpb 2015-1-22
I "know nuthink!" about Simulink, sorry...
Emily Baldi
Emily Baldi 2015-1-22
thanks dpb. but I'm using simulink, not matlab. Do you know also a simulink method about mu problem?

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