Make the following variable:
A 3x4 NaN (Not a Number) matrix
(Hint: use nan)
Test suite check will work for incorrect answers too :(
Find the numeric mean of the prime numbers in a matrix.
Remove any row in which a NaN appears
Back to basics 10 - Max Float
03 - Matrix Variables 1
05 - Vector Equations 1
07 - Common functions and indexing 5
02 - Vector Variables 2
04 - Scalar Equations 3
05 - Vector Equations 2
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