It seems like the test cases in section 2B are not right.
surface of a spherical planet
Increment a number, given its digits
Replace May with April
Return the first and last character of a string
Find the biggest empty box
Toads and Frogs Puzzle
Toads and Frogs Puzzle 2
Response of First Order Control Systems
Let's Make A Deal: The Player's Dilemma
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office