How to get a logical output if all the arrays of a matrix are NAN and the matrix is a string

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The matrix, F I have is:
F =
1×8 string array
"NA" "NA" "NA" "NA" "NA" "NA" "NA" "NA"
I want to write a line of code such that produce a logical value of 1 if all the arrays of F are NA.
How should I do this?

Accepted Answer

Fangjun Jiang
Fangjun Jiang on 15 Sep 2022
F=["NA" "NA" "NA" "NA" "NA" "NA" "NA" "NA"];
ans = logical

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