Problem 42716. Number of occurrences of letter in a text

Given an input text either as a string or as a cell array of strings, return a (1 x 26) matrix containing the number of occurrences of every letter ('a' to 'z'). The counting should be case insensitive, e.g. no difference between 'a' and 'A' should be made.

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43.4% Correct | 56.6% Incorrect
Last Solution submitted on Jul 02, 2020

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