2.9.3 Can you answer these questions?

Can you answer these?

2.9.3.1 Creating a line between one paragraph and the next

http://tex.stackexchange.com/questions/298161/creating-a-line-between-one-paragraph-and-the-next

I just want to make it such that there is a line between my current and my next paragraph but also to have no indentation on the second paragraph.
 

- asked by Si.0788 2votes

2.9.3.2 drawing logo with tikz

http://tex.stackexchange.com/questions/297879/drawing-logo-with-tikz

I tried to draw this logo with tikz 
What's the easiest way to draw it ? 
Any advise ? 
My MWE: 
\documentclass[12 pt,a4paper]{article} 
\usepackage{xcolor} 
...
                                                                                  

                                                                                  
 

- asked by Haouam 4votes

2.9.3.3 Overlay vector field and contour plot with tikz and gnuplot

http://tex.stackexchange.com/questions/298204/overlay-vector-field-and-contour-plot-with-tikz-and-gnuplot

I've been trying to produce a plot which has a contour of the magnitude of a vector field and the same vector field plotted on top. 
There seems to be no problem with generating the contour, but I  ...
 

- asked by Felipe 2votes

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