Remove elements from string array

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anon 2019-11-26

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回答： Guillaume 2019-11-26

What is the simpest way to remove string elements from an array? e.g. arr = [1, 2, 3, "x", "y", 10] would turn into [1,2,3,10]

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Guillaume 2019-11-26

What is the rule that dictates which elements should be removed from the string array?

anon 2019-11-26

Create a new array that contains only integers. So after removing all non-integers the array would need to be turned into a numeric array e.g. [1,2,3,10]

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Guillaume 2019-11-26

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One possible way:

numericarray = double(yourstringarray);  %convert string array to numeric. Text that can't be converted to numeric will end up as NaN.
numericarray = numericarray(mod(numericarray, 1) == 0);  %only keep numbers that are integers. Will also remove NaNs.