There is any function displacement

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abduall hassn
abduall hassn 2015-5-17
编辑： abduall hassn 2016-11-3
This array
I want find differential between the numbers then, i want find displacement
and thank u

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回答（1 个）

Joseph Cheng
Joseph Cheng 2015-5-17
编辑：Joseph Cheng 2015-5-17
you can use the function diff() to perform this differential. so you'll have something like
da = diff(a); %this will get your your [4 5 ...]
then you can perform your da./a(1:end-1)*100.
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abduall hassn
abduall hassn 2015-5-19
Brother if i have array more than one rows and columns like [ 56 78 6 88 67 77 64 93 60 70 22 34 29 45 15] How we can do it thank you and thank you
Joseph Cheng
Joseph Cheng 2015-5-19
da = diff(a,[],2)./a read the documentation of the function diff() to see that by performing diff(a,[],2) we perform it in the correct dimension.

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