Squeeze array elements with almost (but not exactly) equal value into one element.
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I have the array
A=[1.74500 1.74567 1.73985 1.74271 6.67891 6.662314 6.61031 10.78678 10.76789 ...]
I want to squeeze all the elements 1.7xxxx into one element that is the average of all these elements, then go to the next series 6.6xxxx and reduce them to only one element and so on so that A at the end will look like:
A=[1.7xxxxx 6.6xxxxx 10.7xxxxx ...]
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Walter Roberson
2018-6-19
https://www.mathworks.com/help/matlab/ref/discretize.html . Or in older MATLAB you can do much the same thing with the second output of histc()
If you do not have fixed edges then you could use uniquetol()
The idea is that you find grouping numbers based upon the values.
Once you have those, you can use grpstats() from the Statistics Toolbox. Or you can use
[~, ~, bin_numbers] = uniquetol(A);
avg = accumarray(bin_numbers(:), A(:), [], @mean ).'
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