4.5.3 Can you answer these questions?

4.5.3.1 How to Approximate at Non-differentiable Point (forced Series Expansion around Branch Cut)
4.5.3.2 3D reconstruction of a 2D SEM image
4.5.3.3 Help needed in Understand the following program in solving a stiff nonlinear differential equation
4.5.3.1 How to Approximate at Non-differentiable Point (forced Series Expansion around Branch Cut)

http://mathematica.stackexchange.com/questions/136395/how-to-approximate-at-non-differentiable-point-forced-series-expansion-around-b

 
I need a numerical approximation around some functions at $x = 0^{-}$ from the left side, where $x = 0$ is unfortunately the right end of the domain (in the reals) so the functions are not  ...
 
- asked by Lee David Chung Lin 3votes
4.5.3.2 3D reconstruction of a 2D SEM image

http://mathematica.stackexchange.com/questions/136284/3d-reconstruction-of-a-2d-sem-image

 
%%%%%%%%%%%%%%%%%%%%% 
\cprotect\subsubsection{\verb|I am curious if Mathematica could do reconstruction of a 2D SEM image into a 3D. It is the same what can be done by MountainsMap SEM software|} 
\url{http://www.digitalsurf.fr/en/mntsem.html} 
 
\begin{TEXTWinline} 
 
Visually it  ...
 
- asked by Viacheslav Plotnikov 4votes
4.5.3.3 Help needed in Understand the following program in solving a stiff nonlinear differential equation

http://mathematica.stackexchange.com/questions/136607/help-needed-in-understand-the-following-program-in-solving-a-stiff-nonlinear-dif

 
I am trying to solve a particular Cauchy problem given by 
 
 
 
I found from a particular paper that the solutions looks like 
 
 
For the auxiliary conditions 
 
 
 
For only specific values of $a_{i}$ 
 
I  ...
 
- asked by kernel_panic 1vote