# All Questions

391 views

### How to read complicated result from Reduce?

How can I read this Reduce output from Mathematica that I got from solving an inequality? I do not perfectly know when one case in this case analysis is over and ...
151 views

### Bad rendering of rotated text in 3D graphics in notebooks

Why is my rotated text so badly rendered in 3D graphics in notebooks (the exported pdf are OK). It happens for me with v9 or v10.1.0 and OSX (10.9.5). Notice that the rendering is good in 2D ...
199 views

### How would I use Map on a Dataset column?

I am somewhat new to functional programming. To improve the performance of a package, I would like to re-write a package in a functional style. I have the following ...
89 views

### How to contour shade two specified contours?

I want to have contour shading between two contours specified by two equations like below, ...
114 views

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### How do I download and export data from many weather stations?

I tried this code, which downloads data from several weather stations. ...
75 views

### Factor out certain terms using Modulus but Mathematica requires that the modulus be an integer [closed]

Mathematica demands that the modulus be an integer. How do I work my way around this?
486 views

### How to plot the solution of a Partial Differential Equation?

My attempt. I need to solve numerically the Complex Ginzburg-Laudau Equation (CGLE): $$\frac{\partial A}{\partial t}=\epsilon A-(1+i\beta)|A|^2A+(1+i\alpha)\nabla^2A$$ I'm using a uniform initial ...
83 views

### Difficulty solving an equation involving a couple of different powers

I have this semi-complicated equation to which I want to find an analytical solution for $\epsilon$. The equation is a s following: a^2 (2 b k \epsilon \sqrt{1 - \epsilon^2/b^2} - 2 c k ...
184 views

### How to properly use conditionals inside NDSolve

Currently I am working with Mathematica to learn the program, and I'm confused what exactly is wrong with this code. ...
753 views

### Removing a histogram's vertical edges

Let's say I have a histogram: Histogram[RandomVariate[NormalDistribution[10, 2], 500]] How can I remove vertical lines inside the histogram and keep only the ...
134 views

### Equation solving problem [closed]

I have this code: ...