# All Questions

43 views

### NestList on a function where one of the arguments is chosen by the user

I need to NestList a function where the user chooses one of arguments. Here it is an example: ...
125 views

### System of Partial differential equations

I am trying to solve numerically a system of 3 partial differential equations and I am facing a problem. My functions are f[x,t], ...
70 views

### Reduce and roots of an irrational inequality

I use command Reduce to solve an inequality. First, I used Reduce[Sqrt[4 x + 5] - Sqrt[-6 x + 10] <= Sqrt[2 x - 1], x] and ...
86 views

### How to convert a notebook to an association and back?

I have a notebook that serves as a nice readable document but is it a database of sorts, I'd like to transform this into an association so I can manipulate and export it as a dataset. Here is a sample ...
320 views

### How to manipulate spoken text with Speak?

I need to vary the speed, pause, reverse and in general control aspects of the playback of Speak[] is this possible?
30 views

### Update Type 1 fonts with Open Type fonts

Hi I have very old notebook files which was composed 2009, where few fonts was used with Type 1 but now I want to replace with open type format. Also I have stylesheet, do I need to do any changes in ...
95 views

### Exporting Classify Models

Currently I have created a simple classifier to classify sentiment from a string of text (or a tweet). The code is very basic and looks something like this: ...
99 views

320 views

### Creating an image grid that displays a full-size image when a thumbnail in the grid is clicked on

I am working on some teaching resources and pulled a whole bunch of images off the internet to illustrate the idea of "angle". I can get Mathematica to import them and display them in a nice ...
22 views

### Copy as latex error: [duplicate]

I am trying to transfer a question to http://math.stackexchange.com/, however I have always used mathematica to convert code into latex. Now I have discovered some errors with regards to the code; ...
461 views

### How to make a movie from a complex demonstration?

I have a complex Manipulate-based demonstration containing a few sliders and a Setterbar. I would like to make a movie out of it, avi, or whatever else. The ...
107 views

### Select nested lists based on string pattern

I would like to select nested lists out of a master list based on certain string pattern as in the following example: ...
82 views

### How to combine all possible N boolean values?

Is there any simpler formula than Tuples[{False, True}, 3] to generate tuples of all combinations of boolean values?
112 views

### Automatically scroll along with currently evaluating cell?

If I'm evaluating an entire large notebook, I usually just press Alt-V Y to find the currently evaluating cell. Is there a way to keep the currently evaluating cell automatically in focus so that the ...
281 views

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140 views

### Center of gravity of a cylinder in 3D space [closed]

am trying to find the center of gravity coordinates of a cylinder(x,y,z coordinates). however,I cannot figure it out using the triple integral method especially when it comes to the integral bounds. ...
78 views

### Working with symbolic values in Quantities [duplicate]

I have the following expression: x Quantity[y, ("Milliwatts"*"Seconds"^2)/"Joules"] If I try to convert this to the SI unit, I would expect to get ...
106 views

### Use StepMonitor and Dynamic to plot progress of FindMinimum

The obvious way of plotting the progress of FindMinimum fails with an error about things not being localizable: ...
80 views

### Curve fitting of a list and exclude some figure

I am a fresher of Mathematica and trying to program a list of digits. When I plot the diagram of the list, it shows that the figure at 12 is much larger than the others. Does anyone have idea on it? ...
82 views

### Matrix operation (simplify)

I had a $6\times 6$ matrix ...
401 views

### Envelope for harmonic oscillator [duplicate]

I am able to take the expression $\cos 11t-\cos 12t$ and use the sum to product identity to write it in the form $$\left(2\sin\frac t2\right)\sin\frac{23}{2}t.$$ I can then plot the function and use ...
Let's begin with some termes: For $1\le i<j<\infty$ let $X_{i,j}$ be independant and indentically distributed (i.i.d) real random variables with mean $0$ and variance $1$ and set ...