In a given row vector, find the number of times a mode of a row vector has occurred
example: in [2 5 5 5 5 3], output is 4
Which values occur exactly three times?
Check if sorted
Is A the inverse of B?
The sum of the numbers in the vector
NaN (欠損値) が含まれている行を削除しよう
Percentage of zeros in a matrix of only 1s and 0s
Capitalized string operations
count upper and lower case characters
Nth root of a number
Repetition of matrices
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