8.7.1 Top new questions this week

8.7.1.1 Filling between several parametric plots
8.7.1.2 Faster determination if two nodes are connected in a graph
8.7.1.3 How to make all the balls move until they stop by NBodySimulation
8.7.1.4 Solving strategies for finding f'' = 0 for this function?
8.7.1.5 How to scale the parenthesis like how the LaTeX \left \right commands do?
8.7.1.6 ParallelDo barely faster than Do
8.7.1.7 Plot3D: Inconsistent distance to PlotLabel when using Grid/Row
8.7.1.1 Filling between several parametric plots

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264476

I have several (four) parametric curves defining a closed loop in the plane, and I wish to fill it with some color. Now, I have seen several nice answers for the case of two curves, where the simplest ... 
[plotting] [filling]
 
asked by Daniel Castro https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=69211 Score of 10
answered by cvgmt https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=72111 Score of 11
8.7.1.2 Faster determination if two nodes are connected in a graph

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264405

In the code below  connectedQ[g_,v1_,v2_]  is a function to check if two nodes  v1  and  v2  in ... 
[performance-tuning] [graphs-and-networks]
 
asked by hana https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82512 Score of 9
answered by Henrik Schumacher https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=38178 Score of 11
8.7.1.3 How to make all the balls move until they stop by NBodySimulation

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264217

... 
[differential-equations] [simulation] [singularity] [event-detection] [discontinuity]
 
asked by yode https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=21532 Score of 8
answered by Alex Trounev https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=58388 Score of 6
8.7.1.4 Solving strategies for finding f'' = 0 for this function?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264523

For finding inflection points for function 
 f[x_] := x^Sin[x] 
I use f''[x] 
Then Solve :   Solve[f''[x] == 0, x] 
But MMA is not ... 
[calculus-and-analysis]
 
asked by janhardo https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=84966 Score of 7
answered by Bob Hanlon https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=9362 Score of 8
8.7.1.5 How to scale the parenthesis like how the LaTeX \left \right commands do?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264312

I am trying to use  Graphics[Text[]]  to label some curves on a plot. However, I cannot format the text properly. 
I want my text to look like this 
$$F= \left(\dfrac{2\... 
[front-end] [notebooks] [formatting] [style] [traditional-form]
 
asked by Shashwat Sharan https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=57132 Score of 6
answered by Nasser https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=70 Score of 10
8.7.1.6 ParallelDo barely faster than Do

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264464

I am new to parallel computing, so I am trying to get a grasp as to how this works. Many posts seem to indicate that overhead (like here) is a common pitfall, but I do not see why this would be the ... 
[performance-tuning] [parallelization] [iteration]
 
asked by Patrick.B https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=60697 Score of 5
answered by Shin Kim https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=85037 Score of 4
8.7.1.7 Plot3D: Inconsistent distance to PlotLabel when using Grid/Row

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=264527

While trying to arrange a grid of 3d-plots using  Plot3D  and  GraphicsGrid  (or simply  Grid ) I ... 
[plotting] [style] [grid-layouts] [row]
 
asked by And R https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=5115 Score of 5
answered by kglr https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=125 Score of 3