# All Questions

656 views

### Only final result from NDSolve

Finally, I started to play with differential equations in Mathematica. And I have faced the problem, which seems to me so basic that I'm afraid this question is going to be closed soon. However, ...
55 views

### How to determine the redundant equation in the set of DE?

my problem is messy, and I will use a simple problem to explain my problem. Suppose, we have a set of DE: ...
187 views

### Problem with ListContourPlot feeding data format and WeatherData

With following code I am trying to show the mean wind speed patterns for a few geographic locations. ...
598 views

### How can I generate a legend for a BubbleChart?

Is there a way to make a nice disk radius legend (with linear or log scale) for a BubbleChart[]? Something like the following example should be built in!
95 views

### Partitioning Table

I have a long vector array in the following format: ...
940 views

### plotting a {{Latitude,Longitude}} list on top of a GIS shapefile

I have a dataset composed of points specified in {Latitude,Longitude} format. Call it latlong for the purposes of this question. It displays properly with ...
456 views

### Plotting piecewise functions

I have a list of N functions called functionList. N can be any number. Also, I have a list ...
215 views

### Plot A Function Of A Stochastic Process

I am trying to do something very simple in Mathematica 9. I want to play around with option pricing and for that I thought it best to use the new stochastic process functionality. So, first of all I ...
2k views

### Make legend same height as plot

One common style for density plots is to have a vertical legend that is the same height as the plot itself. Some example density plots from Google Image search: How can we make DensityPlots with ...
28 views

### Shade where a function f lies below a function g [duplicate]

I have two functions: f[x_] = 2 Cos[x] g[x_] = -Sqrt[3] I find the points of intersection. ...
121 views

### Cloud cover fraction

I need to make use of Mathematica's WeatherData functionality, the CloudCoverFraction property, specifically. However, it does ...
47 views

### 4D array not exporting to .mat file

I am using Mma 9.0 I am trying to export an array with Dimensions {5,100,160,160} to a .mat-file using the Export command, but ...
107 views

### Evaluate notebook from other notebook

I have a notebook ("notebook 1") which in the beginning sets some parameters, does something depending on their value and saves the result to a file, say: ...
57 views

### How to visualize multiple errorbars for one data set with ErrorListPlot?

I have a following problem: I am performing error analysis for my data set using multiple technics. Obviously, at the end of my analysis I want to compare the errorbars plotting them on the same ...
75 views

### Mathematica 10.0: how to manipulate a plot where a line comes from a system of equations without an explicit solution? [on hold]

My goal: I am using Mathematica 10.0 to draw several graphs according to different values of a number of key parameters. The graph is made of two functions. Challenge: One of the functions is a ...
43 views

### Prevent Plus from reordering terms by default? [duplicate]

Writing Plus[a,b]//FullForm gives back Plus[a,b], while Plus[b,a]//FullForm again returns ...
169 views

### A list of alternating interval between its components

How can I create a list of the following numbers in a table automatically? list={3 π/10, 7 π/10, 13 π/10, 17 π/10, 23 π/10, 27 π/10, 33π/10, 37π/10,....} I ...
352 views

### Skipping “middle” Optional Arguments

Is there a way to call a function where the "middle" arguments should use their default value while specifying values for the "right-most" arguments? For example, given this function: ...
99 views

### Need to take infinite sum of residues, is there a way to choose the order of operations for ReleaseHold?

I'm computing an infinite sum of residues. I want to do something like this: ...
25 views

### magnitude of multiply different complex numbers are equaled whearas they are different [on hold]

There are three complex numbers: A,B and C. Is there possible that ...
57 views

### How to plot relation in mathematica? [on hold]

How to plot relation here? I want to plot -arctan(sin(x))*(x)+ arctan(sin(x))*(y)=sin[arctan(sin(x))*(y)+ arctan(sin(x))*(x)]
58 views

### SetDirectory has problems when path is long and contains too many “_”

The following example code does not work (error: "Cannot set current directory ..."). I am running Mathematica 10.2.0.0 on Windows 10. ...
139 views

### Grouping the list of numbers that have common.

I am working on some simple problem. It is like puzzle.. Let's say I have some list input={{1,1},{1,2},{1,3},{2,3},{3,3},{4,4}} Which means 1 can go and back to ...
38 views

### Displaying Graphics in Mathematica [on hold]

I know this is a really dumb question, but I've been trying to display graphics in Mathematica so I can play around with the new pentagonal tiling that was recently discovered. I have this code from ...
88 views

### Plotting a hat function

I want to plot a hat function which is zero on [-1,1] except (-0.01,0.01). I have tried: Plot[Piecewise[{{1 - Abs[t], -0.01 < t < 0.01}}, 0], {t, -1, 1}] ...
331 views

### Connect Frontend to Kernel Started by JVM via JLink

I have a MathKernel started and controlled via JLink from a JVM. The \$CommandLine for this kernel is: ...
23 views

### Different results with BSplineSurface and BSplineFunction

There seems to be some differences when plotting a surface with BSplineSurface and with BSplineFunction. ...
40 views

### Launch Front End from .NET MathKernel and return result to .NET

Is it possible to launch a front end and open a notebook from a .NETLink kernel and return a result from the notebook to .NET? In the code below "x" appears in the .NET textbox after 10 seconds but ...
42 views

### Problem with My Plot Legends not displaying correctly

I'm having an issue with a notebook I'm running. I'm generating a bunch of plots, but the legends aren't showing up correctly. I generate a bunch of plots every time I run the program so I wrote a ...
355 views

### Plot Lorenz system

I solved the Lorenz system by using Euler forward method (without using NDSolve). But I am not getting the attractor. The Mathematica code is as follows ...
218 views

### How can I add a mesh over this?

How can I add a mesh over the following 3D plot? ...
58 views

### solving coupled differential equations with parameters subject to optimization problem

I have an equation, but I don’t know how to program it in Mathematica: x[0]==1; y[0]==1; x'[t]==(a+b) x[t] y[t]; y'[t]==a b y[t]/x[t]; where ...
344 views

### Plotting 2-D Electron Density Carbon Atoms

I need to create a 2-D electron energy density plot in Mathematica to compare with my STM experimental results in my lab class. This would be done by plotting the sum of the symmetric and ...
178 views

### CountryData fails for some tags and properties

The problem has gone, presumably resolved by WRI. See kirma's comment. I'm using Mathematica 10.0.2 for Mac, and for the first time just tried CountryData. ...