# All Questions

164 views

### Symbol appears in multiple contexts when load two packages with unique function names

I have two packages "packageA" and "packageB". The function names across packageA and packageB are unique. No two functions have the same name. When I issue the ...
428 views

### NMinimize/NMaximize is unable to generate initial points

Mathematica 10 generates a warning that it is unable to generate initial points for numerical optimization problems. I picked a particularly simple example. The problem goes away when ...
322 views

### ListLinePlot of multiple series with data value and legend appearing as the cursor moves over ploted lines

I have multiple series and I am plotting using Mma's ListLinePlot function. But I am trying to implement a feature to my plot so that I can view legend and corresponding values of the series at a ...
358 views

### How do I display the plane of best fit in 3D?

I'm trying to display the plane of best fit in the same 3D-box. Currently, I have the following code which spits out a plot of the points in 3D. I want to have a plane of best fit, can Mathematica do ...
80 views

### Help creating a simple function

Can someone help me to create a function. The truth I'm new in Mathematica and I don't understand well the way functions work in I. I need a function that animate some rectangles according to a curve ...
597 views

### Why is TextString[-0.5] a positive number?

Bug introduced in 10.0 and fixed in 10.0.2 I want to format numbers in decimal notation and chose TextString for this task. But today, when looking at the final ...
51 views

### More on performance of Sum[]

There is an interesting discussion on performance of Sum[] in this question. I actually wanted to reproduce findings from this answer. So, I entered: ...
284 views

### Simplify trigonometric equation knowing that $\sin(a)=n \sin(b)$

I was working on a problem involving trigonometry. I used Mathematica to help me in solving it. I ended up with this formula: ...
53 views

### Programming a series involving alternative log expressions

This is likely my error but I cannot see it. I define a vector: x1 = {{{2, 2}}, {{2, 1}, {3, 1}}, {{3, 2}}, {{2, 1}, {5, 1}}} If x1[[ i, 1,2]] is 2, I would like to find $(\log$ x1[[ i,1,1]]$^2$). ...
225 views

### Forcing NonLinearModelFit through a point

Like the title says, is there a way to make an NLM fit pass through a specific point.
167 views

### Deleting empty cells and selecting cells matching a pattern

Is there any way for me to automatically select all cells that are completely empty? You know, those cells that you create but end up cutting what's in them and paste it somewhere else, so after a ...
40 views

### Linear function on strings using UpValues

I have two functions Sup and Sdown that take a string of letters with allowed characters ...
78 views

### Integrate[] does not work when the function has an antiderivative function

This function (1 + (1 + 1/(2*Sqrt[x]))/(2*Sqrt[Sqrt[x] + x]))/(2*Sqrt[x + Sqrt[Sqrt[x] + x]]) has the antiderivative function, since ...
58 views

### RecurrenceTable - does it have a solution search option like FindRoot?

I have a second-order non-linear difference equation like $$0=f(x_{t+2},x_{t+1},x_t)$$ where $x_{t+2}$ is implicitly determined. I have tried the code like ...
308 views

### How to use C language functions in Mathematica? [duplicate]

I'm trying to find out the way to use c-functions in Mathematica (I'm using 14 version) on OS X 10.10. For example I've got this lines of code: ...
263 views

### Question in ParametricPlot3D, how to join the minima of a {x,y} function

Thanks to my previous question I have plotted the function with the following code: ...
96 views

### Is it Possible to create my own Dictionary?

When I count the number of words in the English dictionary wordsInLanguage[lang_] := {lang, Length[DictionaryLookup[{lang, All}]]} wordsInLanguage["English"] it ...
73 views

### Preventing Colors of Graphics from Blending

I am displaying multiple Disks that overlap and many of the Disks are different colors. Currently, the regions in which the Disks overlap are a color that is a mixture of the two Disks. I would like ...
97 views

### Using List/Histogram Data As A Weighted Function?

I have a list of data points that I would like to use as a weighted function. The data represents the number of particles within a bin of a particle distribution. Ultimately I would like to multiply ...
68 views

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### Options for showing page borders in “printout” environment?

I usually work with Printout Screen Environment because I find this convenient when I save files in pdf format. One of problems with this choice is that I cannot tell where page breaks will occur in ...
656 views

### Enumerating tuples from a larger space such that all pairs of values are present at least once

I am trying to write a function that will accept a list of N lists and returns a list of N-tuples that represent all pairs of values from the original N lists at least once. To illustrate with an ...