reducing timeseries dataset for later on linear interpolation

[David Chèze]

Hi,

I've done it that way: 

dat=[0 0 1 3 2 2 0 0 0 0 2 4 2 4 4 2 0 0 0 0];
plot2d(dat)
datp=diff(dat);
datp_1=[datp(1) datp(1:$-1)];
k=find(datp<>datp_1)
datr=dat(k);
plot2d(k,datr)

i should have add the first point of dat in datr to have exactly the same
curve but it works.
Is there a more direct and efficient way to do that in Scilab?

Thanks for your comment,

David



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