8.18.2 Greatest hits from previous weeks

8.18.2.1 How to manipulate 2D plots?
8.18.2.2 Plotting Complex Quantity Functions
8.18.2.3 How to split a number
8.18.2.4 How to find integer solutions?
8.18.2.5 What do the X and Y axis stand for in the Fourier transform domain?
8.18.2.6 Are you interested in purchasing David Wagner's "Power programming with Mathematica"?
8.18.2.7 Image processing: Floor plan - detecting rooms' borders (area) and room names' texts
8.18.2.1 How to manipulate 2D plots?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=7142

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 ... 
[plotting] [graphics] [dynamic] [gui-construction]
 
asked by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 Score of 141
answered by István Zachar https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=89 Score of 160
8.18.2.2 Plotting Complex Quantity Functions

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=3458

Trying to plot with complex quantities seems not to work properly in what I want to accomplish. I would like to know if there is a general rule/way of plotting when you have complex counterparts in ... 
[plotting] [complex] [faq]
 
asked by night owl https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=116 Score of 42
answered by Artes https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=184 Score of 29
8.18.2.3 How to split a number

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=263580

I have a number representing date (yyyymmdd): 
 19001231 
 
I want to convert this number to 
  {1900,12,31} 
 
How to do this? There ... 
[list-manipulation] [date-and-time] [partitions]
 
asked by cheese.burger https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=76753 Score of 12
8.18.2.4 How to find integer solutions?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=42359

Following is the equation: 
Need to solve for integer values of x,y when a,b lies between -1000 and 1000. 
Problem is to find the number of integer values of pair (x,y) that satisfy it. 
[equation-solving]
 
asked by Sahil Sareen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12396 Score of 2
answered by bill s https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=1783 Score of 4
8.18.2.5 What do the X and Y axis stand for in the Fourier transform domain?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=85139

In Wolfram Mathematica the function  Fourier  has the following declaration 
 
 Fourier[list] 
 
 
And after a list is given to the ... 
[numerics] [fourier-analysis] [faq]
 
asked by user253956 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=29958 Score of 29
answered by Hugh https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=12558 Score of 69
8.18.2.6 Are you interested in purchasing David Wagner's "Power programming with Mathematica"?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=16485

I recently contacted McGraw-Hill to see if they have a mechanism in place for printing out-of-print books that are still of interest.  Specifically, I asked about "Power programming with Mathematica" ... 
[reference-request]
 
asked by Todd Allen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=249 Score of 164
answered by Todd Allen https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=249 Score of 239
8.18.2.7 Image processing: Floor plan - detecting rooms' borders (area) and room names' texts

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=19546

Here is a simple building floor plan. I would like to derive the rooms as (rectangular) components and the names of the rooms. This is very common representation of building floor plans. 
 
The problem 
 
... 
[image-processing]
 
asked by s.s.o https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=840 Score of 65
answered by Niki Estner https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=242 Score of 60