Which values occur exactly three times?
Matrix indexing with two vectors of indices
Whether the input is vector?
Count decimal digits of a number
Find the index of n in magic(n)
Duplicate each element of a vector.
Find the elements of a matrix according to a defined property.
Matrix with different incremental runs
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Remove NaN ?
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