1.5.1 Top new questions this week

1.5.1.1 Visualisation of a recursive function

http://mathematica.stackexchange.com/questions/61323/visualisation-of-a-recursive-function

 
Is there a way to nicely visualize recursive functions? (diagrams/plots) 
 
More specifically I'm looking for a way to make contrast (visually) 
between e.g. the cosine function which if continuously  ...
 

- asked by Phonon (16 votes), answered by ybeltukov (23 votes)

1.5.1.2 Using an Image as the Fill/Texture (not background) of a Plot (not polygon)

http://mathematica.stackexchange.com/questions/61341/using-an-image-as-the-fill-texture-not-background-of-a-plot-not-polygon

 
Is it possible to use an image, rather than a color, or ColorFunction, 
as the filling for a plot? 
 
For instance, I want to make a plot using DateListPlot, and have set 
Filling->Axis, and would like  ...
 

- asked by iwantmyphd (11 votes), answered by Jens (4 votes)

1.5.1.3 Intelligently formatting PDFs

http://mathematica.stackexchange.com/questions/61209/intelligently-formatting-pdfs

 
I'm exporting a Grid[] to a PDF. It's working, but it's real ugly. Here 
is an example of what it looks like: 
 
 
 
Possibly the first problem is the reason I posted a picture of (rather 
than sharing) the  ...
 

- asked by F dot Floss (11 votes), answered by Lou (5 votes)

1.5.1.4 How to show matrix multiplication step by step?

http://mathematica.stackexchange.com/questions/61377/how-to-show-matrix-multiplication-step-by-step

 
Given a matrix, A: 
 
A = {{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}; 
 
 
How can I do the matrix multiplication A times A step by step?
 

- asked by Mats Granvik (8 votes), answered by ybeltukov (22 votes)

1.5.1.5 How to deal with recursion formula in Mathematica?

http://mathematica.stackexchange.com/questions/61050/how-to-deal-with-recursion-formula-in-mathematica

 
In engineering problems, I am always seeing many recursion formula. 
 
For instance, In the book "The NURBS book", I discovered many recursion 
formula 
 
 
Fibonacci $$f(n+2)=f(n+1)+f(n)$$ 
deCasteljau  ...
 

- asked by Tangshutao (8 votes), answered by Igor Rivin (6 votes)

1.5.1.6 Is there a way to revert to the built-in function after overwritting it using Unprotect

http://mathematica.stackexchange.com/questions/61472/is-there-a-way-to-revert-to-the-built-in-function-after-overwritting-it-using-un

 
When using Unprotect, we can overwrite a functions definition: 
 
Unprotect[Sqrt] 
Sqrt[x_]="blahblah" 
Protect[Sqrt] 
 
 
Once this is done, can we revert to the built-in version of Sqrt?
 

- asked by user13675 (7 votes), answered by eldo (8 votes)

1.5.1.7 Why PlotStyle->Dashed make everything dashed?

http://mathematica.stackexchange.com/questions/61058/why-plotstyle-dashed-make-everything-dashed

 
Bug introduced in 10.0.0 -- appears to affect Linux only. 
 
 
 
It has been really strange for me. I am not sure it's regression after 
v10.0.1, or something went wrong with my system. After running this  ...
 

- asked by Yi Wang (7 votes), answered by Neven Caplar (2 votes)