# All Questions

111 views

### Why DateDifference returns machine number?

Is there any specific reason why DateDifference cannot give an exact number in this case? ...
232 views

### Drawing an implicit function using ListPlot with a constraint on the solution [closed]

I need to plot a complex implicit function, ContourPlot in this case is not very convenient for me. Therefore, I want to plot my function using discrete points. I ...
772 views

### Export Code to Pseudocode?

I'm writing a paper and all my code is in Mathematica. The snippets are mostly simple, and consist of loops, maps, variables, and conditionals. I'd like add it to my paper, however, not many academic ...
76 views

### Assigning Variables for Degree Distribution [closed]

So my code is divided into 3 different sections: 1) Calculating clustering coefficient, 2) Extracting degree distribution 3) Using the degree distribution to get the mean of 1000 networks. ...
116 views

I don't understand what Mathematica is doing to get these solutions. I ask it to solve two equations, the left hand side of both expressions are the same, the right hand sides differ by a ± sign. I ...
111 views

### Function to differentiate between date pattern and specific string format

I'd like to write a function that behaves one way when the argument is a Mathematica date, such as {2013,12,15}, or with added hours, minutes and seconds if ...
97 views

### How to solve system of differential equations of arbitrary order (symbolic tensors)?

I am interested in solving systems of ODEs symbolicly, keeping things with arbitrary dimensions for clarity. For example, assume that $x, f(x) \in R^N$ and $A \in R^{N \times N}$, how do I solve ...
77 views

### Cell copy results in jaggy, aliased output

When I copy a cells by selecting them from the collapse bars on the right, then using the context menu option "Copy", the pasted image of plots is not anti-aliased and in general the text seems to ...
266 views

### Animation is jerky, but slider is not

When I do the following simple animation (from the book Mathematica Navigator, p. 316) the slider control changes the image smoothly, but when I play the animation it is jerky. Is there anything that ...
113 views

### Frontend coloring of Table[x, {x, 0, x}]

I have a small question about how the Mathematica frontend colours in the variables that appear in (wrongly written) iterators. More specifically, I'm intrigued by the colour of the third ...
71 views

### Optimize recurrence output

I have recurrence and I need to calculate first $N$ members of the sequence ...
244 views

### Symbolic linear algebra

I would like to know how I can ask Mathematica to expand (and simplify) such an expression : $$(\alpha A + \beta B)^\top (\alpha A + \beta B)$$ where $\alpha,\beta$ are two real numbers and $A,B$ ...