4.46.2 Greatest hits from previous weeks

4.46.2.1 How to manipulate 2D plots?

https://mathematica.stackexchange.com/questions/7142/how-to-manipulate-2d-plots

 
When it comes to visual analysis, large datasets or data with intricate internal details often makes plotting in 2D useless, as the outcome is either just a fraction of the full dataset, or no details  ...
 

- asked by István Zachar (124 votes), answered by István Zachar (142 votes)

4.46.2.2 How to find the position of elements in a list satisfying criteria

https://mathematica.stackexchange.com/questions/180/how-to-find-the-position-of-elements-in-a-list-satisfying-criteria

 
Say I have a list x={2,4,6,8,10} and I want to find out the positions of the elements that are greater than 7. 
 
Select[x, #>7&] gives the elements themselves, and Position[x,8] gives the  ...
 

- asked by PeterR (47 votes), answered by J. M. (46 votes)