How to use interp1 with different length?
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How to use interp1 with different length?
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Walter Roberson
le 10 Jan 2012
The idea of using interp1 is obviously slowing you down, so use a different method.
MappedX = ((X - OldRangeMin) / (OldRangeMax - OldRangeMin) * (NewRangeMax - NewRangeMin) + NewrangeMin;
But to answer your question: you do not use different X and Y lengths: you use the same lengths, even if they represent different interval widths.
MappedX = interp1([OldRangeMin OldRangeMax], [NewRangeMin NewRangeMax], X);
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Walter Roberson
le 17 Jan 2012
Do you want the question addressed here or in your newer question http://www.mathworks.com/matlabcentral/answers/26268-can-you-help-me-how-to-interpolate-data-in-the-excel-table
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