Check if a inputted variable is a number or a string, given a string input (i.e. '1' is 1 and thus a number, 'a' is a string).
Additional test cases have been added.
Back and Forth Rows
Duplicate each element of a vector.
Matlab Basics - Convert a row vector to a column vector
More Simple String Concatenation
Matrix Ax=B problem
Matrix Generation from Vector Multiplication
Vector Element Multiplication
Simple String Concatenation
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