compare values in two workspace ?

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Rakesh Praveen 2011-12-3

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https://ww2.mathworks.cn/matlabcentral/answers/22953-compare-values-in-two-workspace

i want to compare arrays of two different size(1 workspace with 1000x1 , other with 900x1) which contains data of type double stored in workspace. so that i check all d elements are equal or not ? how do i do it ?

thank you.

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采纳的回答

Paulo Silva 2011-12-3

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https://ww2.mathworks.cn/matlabcentral/answers/22953-compare-values-in-two-workspace#answer_30164

在 MATLAB Online 中打开

So the question is just about comparing arrays of different sizes?

Maybe this way

a=ones(1000,1);
b=ones(900,1);
%b(10)=2; %change one element of b so a and b aren't equal
all(a(1:900)==b) %1 if they are equal and 0 if they aren't equal

It just compares the first 900 elements of a with those from b, the last 100 elements of a are just ignored

(I'm back after many weeks :) )