# All Questions

244 views

### How to obtain transparent animated gif via Export?

I have the following code to create animated GIFs: ...
255 views

### Catastrophic loss of precision

I am trying to solve a double integral in the range of 0 to Infinity (for both the integrals) and Mathematica is giving me the following error: Catastrophic loss of precision in the global error ...
179 views

### Power series graphs?

I would like to graph this function and its first 6 Taylor polynomials on the same axis, but I'm not sure how to start: f[x_] = Exp[x]; Plot[f[x], {x, 0, 1}]
275 views

### cycloid parametric [closed]

How do I enter 3 parametric equations for cycloids corresponding to circles with radii 1, 2, and 4. I have tried ...
57 views

### Filtering out 'no solutions' after solving a high order polynomial

I am dealing with a fourth order polynomial. I get all of the desired out put however above a certain range I also get these - {}. From my understanding this means that there is no solution. I am ...
425 views

### remote kernel through SSH

Is it possible to setup connection to remote kernels through ssh? I'm able to SSH into the remote server(linux) and start a kernel in the terminal, but it can't connect back to my local front end. I ...
251 views

### How to force correct answers for Integrals of Cos[mx]*Cos[nx]? [duplicate]

This is a big problem if you do anything with a Fourier Series. This statement: Assuming[Element[{m, n}, Integers], Integrate[Cos[m*x]*Cos[n*x], {x, 0, 2 Pi}]] ...
70 views

### Import csv file and missing “” when importing [closed]

I am importing a csv file. When it imports and shows the import there are no quotes around the alpha characters or the date. Like this: {32856, 1, A, 10/1/2001, 1, 1, -54.4, , 4, 1, 1, 1, , , , \ ...
126 views

### Can I generate matrices with a constraint?

Say I want a way to generate matrices with the following properties, All non-diagonal elements are either $0,1,-1$ The diagonals are either $k$ or $k+1$ for some $k \in \mathbb{Z}^+$ for some $k$ ...
159 views

### Can't use my own discontinuous coefficient within NDSolve

I want to evaluate the pendulum's motion with changing equilibrium state given by eqilValue[t]: ...
52 views

### Simplifying an inequality inside an answer by parts

I have the following piece of code where I'm evaluating a probability of a variable v being greater than some threshold under a Uniform distribution. ...
102 views

### How to implement kvo in Mathematica 10? [duplicate]

Key value coding and observing is something that other languages do well, like objective-c for instance. What's the best way to achieve something similar in Mathematica (if at all possible)? That is, ...
99 views

### Show legend on plot [duplicate]

I have a series of curve I'm plotting using ListPlot. For each plot I'm changing a variable called X. Is there anyway I could ...
292 views

### DSolve bvlim error due to Boundary condition at infinity

I am solving an Ode using Mathematica that has boundary condition at infinity which is why Mathematica is showing error message. Please help to tackle this problem. ...
163 views

### plotting the stable and unstable manifolds of a difference equation

I have a 2D non-linear system of difference equations for variables x and y defined as follows: ...
240 views

### Deleting missing data with CountryData

I need to delete all of the missing entries after executing this line: ...
91 views

I am a novice using Mathematica. I program regularly using c like languages though. Now i work on a simulation of a vehicle. I have a loop that calculates the next state of the physical model every dt ...
367 views

### Negative integral of a positive function

fixed in 10.1 (windows) For a parameter $t\in (0,1)$ \$Assumptions = t ∈ Reals && t > 0 && t < 1 I define an obviously positive function ...
142 views

### Merging documentation from Workbench with handed-coded package

On the one hand, I have been writing my package (directly into the .m file) separately using the standard Mathematica front-end. My source .m files and the init.m files have the appropriate folder ...
262 views

### Why Infinity /. _?(# < 6 &) -> 0 replaces Infinity with ComplexInfinity?

Suppose I define a matrix: mat = { {Infinity, 4, 9}, {6, Infinity, 10}, {8, 9, Infinity} }; Now I want to replace all values smaller than ...
408 views

### Fix the position of the axes label [duplicate]

How can I set the position of the axes labels (X,Y,Z), so that, among other things, they do not overlap with the numbers in the axes? Here an easy example: ...
256 views

54 views

### How to discern the different curves?

When we plot many curves, due to repeated colors it becomes difficult to discern that which curve belongs to which equation. For instance, ...
58 views

### definitions and usages of options such as “Count” ,”Area”, “ConvexCount”, and “ConvexArea”

I would like to use ComponentMeasurements to do image analysis on porus materials. However definitions andusages of options such as “Count” ,”Area”, “ConvexCount”, and “ConvexArea” are not well ...
524 views

### Finding minimal distance between two surfaces

This code will display two parametric surfaces: ...
148 views

### How to create an effective PlotLegend when plotting many ListPlots?

I'm creating a ListPlot where I plot many data sets simultaneously. Currently, my code that produces it is something like this: ...
38 views

### Coefficients of a DiffEq [closed]

I'm attempting a Do[] recursion on Coefficient[] with the end goal to use it to find the coefficients of an nth order diffeq. The following is a basic example of what I'm trying to do, subbing a ...