The problem is pretty stupid, if there's only one test case. Then you can just return the correct result for this test case, without really computing anything (which is what the "best" solution to this problem does.
Project Euler: Problem 8, Find largest product in a large string of numbers
Column norms of a matrix
Matrix indexing with two vectors of indices
How many trades represent all the profit?
Find the elements of a matrix according to a defined property.
Create a matrix X, where each column is a shifted copy of the vector v
Matrix which contains the values of an other matrix A at the given locations.
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Remove NaN ?
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