# All Questions

73 views

### Codes for the derivative of a random polynomials

Good day! Please, I need some help here, I used this codes ...
140 views

### Maximum element and its position (row,column) of matrix

Can someone help me to get the maximum element of $m\times n$ matrix and corresponding row and column $(i,j)$?
460 views

### Log Linear Fitting of a data: e.g. {xi,Log [yi]} and plotting the fit

I have a Log-Linear plot, and i'm unsure about how to fit a line to it. The data represents a I (current) vs V (voltage) curve. The exponential portion of this curve (linear in a Log-Linear plot) is: ...
2k views

### Recursion depth of 1024 exceeded during evaluation [closed]

This is my very first day using Mathematica, so please forgive me my complete ignorance... I fear that this might be one of those questions that gets rejected for being "easily found in the ...
257 views

### How can I remove horizontal lines on a phase plot for a pendulum?

I am attempting to do a phase plot for a driven,damped pendulum. When the angle wraps from Pi to -Pi or -Pi to Pi I get a horizontal line on the plot. I would like to remove these lines as they mask ...
125 views

### Symbol with left and right subscript and right superscript

I am trying to come up with a variable that has a left and right subscript and right superscript. I have tried the following ...
47 views

### Find region given by Exists statement [closed]

I want to find, calculate its volume and visualize the following region most efficiently: $\Gamma^\delta$ = { $\sigma$: $\exists \sigma' \in \Gamma$ with $F(\sigma,\sigma')\leq 1-\delta^2$}, where ...
135 views

### Label point on plot with image instead of text [closed]

I can use this code to label my points with text. ...
230 views

### NDSolve and FEM support for non conformal meshes of a disk [with Kernel crash]

I want to create an ElementMesh for a disk. For my specific scenario, some author advise to use a regular mesh, where the radial and tangential directions are ...
195 views

### Simplify a composition of functions

How do I make Mathematica simplify, for example, (1-#&)@*(1-#&) into #&? ...
260 views

### How to get Mathematica to compile with target C? [closed]

I have been trying to compile some functions in mathematica with target C for speed. basically when I try: ...
833 views

### Replacing a for-loop with something functional

I'm a physics grad and have been using Mathematica mostly for data visualization. The evaluation part I normally do with C/Python, but I've been wanting to try out Mathematica for these tasks, too. ...
70 views

### Statistical significance test of FindCluster

I have a list of vectors which could be roughly divided into two clusters. The list is huge so I have to use RandomChoice[list, 20000] to speed up the calculation. ...
90 views

### save as pdf output appears really narrow and has many pages

If I attempt 'save as' pdf I sometimes (but not always) get really narrow output, resulting in many pages of output. Notice how little text ends up on the page. I can't see any settings that I've ...
155 views

76 views

### Filling a matrix with a list of lists

I have a list of lists with different lengthes: {{a1,a2},{b1,b2},{c1,c2,c3},...} Now I want to create a matrix the following way: ...