# All Questions

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### Searching for an element of one list in another list and replacement

I have two lists as follow: l = {"XY", "XT", "AB", "GT"}; ll = {{"x", "g", "f"}, {"x", "y", "l", "t"}, {"x", "c", "a", "b", "z"}, {"g", "t"}}; for each ...
248 views

### How to limit the argument to binary type in mathematica function

How do I write a function that only takes binary input?
219 views

### Manipulating several values from the same interval

Some of my calculations depend on the choice of several values from the interval [-2, 2] (it is more or less interpolation of a fixed function using the points as parameters). I want to create a ...
1k views

### Solve[Tan[theta] == (b*Sin[t])/(a*Cos[t]), theta] breaks when “Reals” is added?

Mathematica solves this equation fine: Solve[ Tan[theta] == (b*Sin[t])/(a*Cos[t]), theta] // InputForm ...
285 views

### Does mathematica 9 on mac depend on these dynamic libraries?

The Mac package installing program "brew" suggests I remove some of these dynamic libraries, but I am worried that mathematica 9 might depend on them. As far as mathematica 9 is concerned, is it OK to ...
149 views

### What am I missing!? Simple symbolic sum not simplifying

I'm VERY confused: in what universe is the following not zero? FullSimplify[2*Sum[Subscript[f, i], {i, 1, q}] - Sum[2*Subscript[f, i], {i, 1, q}]] Mathematica ...
336 views

### Adding Dynamic functionality to a Graph

I would like to make the edges and vertices of a Graph interactive, a simple demonstration is to change their colors: ...
122 views

### Finding the tangents of the function in each mesh

I have a 2D graphic which contains a table of curves within a circular region. ...
157 views

### Extracting Imported Information

What I want to do is to compare the relationship between the consumption of say beer and wine using scatter plots where each point designates the particular country (preferably named). I have tried to ...
377 views

### Unresolved differential equation [closed]

Why can't Mathematica solve this equation as stated? ...