lookin for x(k)<u<=x(k+1)

Question

Luis Isaac 2016-2-15

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https://ww2.mathworks.cn/matlabcentral/answers/268155-lookin-for-x-k-u-x-k-1

回答： John D'Errico 2016-2-15

Dear;

In matlab there is a function that could be used to locate the inverval (defined by a monotic incresing sucesion x(k)) where a variale u lies (<http://blogs.mathworks.com/loren/2008/08/25/piecewise-linear-interpolation/)>:

[k,k]=histc(u,x); % Gives k: x(k)<=u<x(k+1)

Is there a simple, like before, for looking the interval with condition x(k)<u<=x(k+1)

Thanks in advance;

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Answer 1

John D'Errico 2016-2-15

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https://ww2.mathworks.cn/matlabcentral/answers/268155-lookin-for-x-k-u-x-k-1#answer_209856

Histc is still there. You can still use it. If you are worried that it will disappear on you (which will probably not happen for a few years yet, they do these things slowly and give you plenty of warning) then read the help for histc. That help tells you to use histcounts instead.