Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
Angle between Two Vectors
Set some matrix elements to zero
Matlab Basics II - squares
Speed of car
Find the nearest prime number
Flip the vector from right to left
Union of two set decreasing order
Find 10's complement
Find out the Gray Code for a Given Binary Number
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