3.5.2 Greatest hits from previous weeks

3.5.2.1 Why round to even integers?

http://mathematica.stackexchange.com/questions/2116/why-round-to-even-integers

 
According to the Mathematica help: 
 
 
Round rounds numbers of the form x.5 toward the nearest even integer. 
 
 
For example: 
 
Round[{0.5, 1.5, 2.5, 3.5, 4.5}] 
 
 
gives 
 
{0, 2, 2, 4, 4} 
 
 
What's the  ...
 

- asked by wxffles (42 votes), answered by Per Alexandersson (27 votes)

3.5.2.2 Calling Correct Function for Plotting DiracDelta

http://mathematica.stackexchange.com/questions/3506/calling-correct-function-for-plotting-diracdelta

 
I am wondering what is the correct function in Mathematica to plot the true impulse function, better known as the DiracDelta[] function. When using this inside of a function or just the function  ...
 

- asked by night owl (11 votes), answered by Heike (13 votes)