A row vector is not a matrix...
Not very clear problem, flip vertically? horizontally? elementwise?
The problem is really to just reverse a row vector. A row vector happens to be a matrix, but so does a column vector, and two or more dimensional matrices. Saying, "reverse a matrix" is ambiguous.
Remove any row in which a NaN appears
Tell me the slope
Project Euler: Problem 2, Sum of even Fibonacci
Change the sign of even index entries of the reversed vector
Area of a triangle
Create the following sequence : 0 1 1 4 9 25 64 169 ...
Find the dimensions of a matrix
Concatenate two strings
Convert a number to its Roman representation
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