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Finding a sting - function strfind:
The function strfind does necessarily similar thing, except that the order of the arguments does make dissimilarity. The common form is strfind(string, substring); it finds all the occurrences of the substring within the string, and it returns the subscripts.
>> strfind('abcdeabcde','e')
ans =
5 10
For both the strfind and findstr, if there are no occurrences, then the empty vector is returned.
>> strfind('abcdeabcde','ef')
[]
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Example of image processing: The other illustration generates a 5 × 5 matrix of arbitrary integers in the range from 1 to the number of colors; the resultant image is as shown
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about sampling theorem
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Illustration of Set operations: For illustration, given the vectors as shown below: >> v1 = 2:6 v1 = 2 3 4 5 6 >> v2 = 1:2:7 v2 = 1 3 5 7
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