Make the following variable:
A 3x4 NaN (Not a Number) matrix
(Hint: use nan)
Test suite check will work for incorrect answers too :(
Volume and area of a sphere
02 - Vector Variables 1
07 - Common functions and indexing 4
06 - Matrix Equations 3
02 - Vector Variables 4
04 - Scalar Equations 3
07 - Common functions and indexing 6
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