# All Questions

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### Find Underlined Text in Mathematica

I've have a word document that I'd like to import to Mathematica. I could just copy and paste, but when I do, I lose the underlined text. Is there a way to get MS Word text into Mathematica and have ...
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### How to add Contour labels in the desired place?

enter code here Hi, I have a contour plot as shown Above. What I want is to have distinguishable contour labels i.e, here the value of the contours is not readable above 800 or so. How can I place ...
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### How to solve in principle such coupled ODEs

One example for coupled ODEs from the Mathemtica help center reads ...
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### Asymptotic solution

I have an ODE V''[z] + ( (I z0^2 w)/(3 (z - z0)^2) + ( 2 - (4 I z0 w)/9)/(z - z0)) V'[ z] + (-(12/41) I z0 w + (23 z0^2 w^2)/ 369)/(z - z0)^2 V[z] == 0; ...
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### Improve speed of Nested Matrix exponential

I have a short Code example and I want to know whether it is possible to improve the speed. The L matrix in my code is a SparseMatrix, but for this question I just use something similiar. ...
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### Changing coordinates or rotating finished 3d Graphics [duplicate]

I have created a 3d graphics consisting of three parts and I would now like to take the entire result and rotate it. Here is the code so far: ...
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### averaging over large number of random realizations

I want to run following for few hundreds of a random variable set. This calculates: generate normal random variable find gain with squaring calculate performance metric find ...
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### why the result not contain imaginary, I? [on hold]

Good day, First of all, sorry if my coding in this forum has mistake. I already learned it and this is the best try from me. May anyone help me troubleshoot my problem below. ...
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### Why does the replacement /. {1 -> x} make sense?

Why does the replacement expr /. {1 -> x} in which the number 1 is replaced by the symbol ...
38 views

### 2D Plot for PDE

I made scheme for diffusion equation And I know how to make Plot3D But how to make Plot2D with different time? ...
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### A question about structure of if-else [on hold]

I have coded this program in Mathematica but I am not sure to make correct structure of if-else. Is anyone able to present guidelines in a way that error of program was not met? ...
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### Partitioned Matrix in Display Form in a Notebook

Consider: $$A=\left[\begin{array}{rrr|rr} 2 & -3 & 1 & 0 & -4\\ 1 & 5 & -2 & 3 & -1\\ \hline 0 & -4 & -2 & 7 & -1 \end{array}\right]$$ Let's say I am ...
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### How to do feature extraction

I have some images and I'd like to find generate features to compute a similarity metric. What is the Mathematica way to do this?
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I want to add arrows to the start and the end of the Tangent curve. My first try was successful, ...
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### Table with condition

I have 2 lists of numbers A = Range[16, 65] and B = Range[10, 16]. I want to form all possible combinations $(a,b)$ of the ...
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### Sorting Ordered List of Words by First Letter

I am trying to sort an ordered list of the most common Arabic words. I want to create sublists of words according to their first letter while maintaining the order of the original list. Here's an ...
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### Multiple plot for 2 variables function [duplicate]

I have a 2 variables function as below: m[n_] := 1.5 n^2 V[n_, r_] := (m[n]*m[n])/((r)^3) On the range of r from 1 to 20 I want to make 30 plot (30 different ...
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### 3D listplot, for a given table

I have a table of 4 data, my first problem is how can I choose one region in which just one of these variables is constant and the listplot3D the other 3 variables? I need to do this for at several ...
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### How to label ticks in ListLogLogPlot in scientific form in MMA 10.4?

This is a question regarding ListLogLogPlot in MMA 10.4. I have tried the solutions suggested in 5369, and they do not appear to work in MMA 10.4, so I would be grateful if this could be considered a ...
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### I have a communications link failure with JDBC MySQL(Connector/J)

I am unable to connect to my local mysql server using Mathematica. ...
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### Vector in 3D Spherical Coordinates [duplicate]

How do I plot a list of spherical co-ordinates in (of course) 3D Spherical Co-ordinates. As arrow headed vectors, preferably. The list is: ...
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### Problem using ArcTan inside NDSolve

I'm messing around a bit with using "thrust segments" on a point-mass in NDSolve and have run into a strange problem to do with using ...
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### How to implement multiple EventHandlers? [duplicate]

n00b Mathematica user here. I wrote this code: ...
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### Using TemporalDataDropTimes

I'm not able to figure out how the undocumented command TemporalDataDropTimes described here works. For example, I have ...
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### Automatic legend does not include all datasets in case of short list of colors

The following code gives legend only for elements with unique color ...
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### Get rid of infinty in matrix elements (by seperately defination of diagonal and off-diagonal elements)

I want to generate a matrix in which the elements have the below rule to be generated: ...
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### Using Dataset with TimeObjects in EventSeries

I'm new to Mathematica, and while this is potentially quite easy, I'm having difficulty using TimeObjects in the EventSeries ...
55 views

### Do-Command around entire Notebook (by iterating it from another notebook?)

I have a large simulation (1500 lines of code in different sections) and I would like to run the file using different combinations of input parameters without manually changing the parameters. Say my ...
48 views

### Dynamic and TabView mayhem

What I'm trying to do is damn simple but it seems like Mathematica is extremely ill-designed for this ... Here is a very simplified form of my code to show the basic idea. I have a variable number of ...
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### How to create a window which will close in a certain amount of time?

I'm currently making an interface in Mathematica and I'll need to bump a window out and then let it close itself in a certain amount of time. Here's an short example to illustrate the effect: ...
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### NDSolve: Improperly assigned stepsize

This is not a question which I estimate is aided in answering by providing complete code, which is excessively long. I ran an NDSolve[] at ...
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### Do you know the options of RandomSeed in ClusteringComponents? [on hold]

ClusteringComponents[data, 4, 1, Method -> "KMeans", DistanceFunction-> EuclideanDistance, "RandomSeed" -> 10] As above, 4 means cluster number, ...
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### Substutution of Ansatz of an ODE [duplicate]

I am only beginning to learn to use Mathematica, and got stuck while trying to implement what is apparently a simple substitution rule. So I have a second order ODE in f, and I want to put in the ...
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### Error message when using Method -> “Spline” in Interpolation

I'm using the code: ...
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### How to find Eigenvalues of Sturm-Liouville problem? Getting wrong Imaginary Eigenvalues

I want to find Eigenvalues of following Sturm-Liouville problem D[(2 - MA/κ[s]) q'[s], s] + W Ω^2 q[s] == 0, Where Ω^2 is the ...
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### TimeSeriesAggregate—reformatting the date

Compute Aggregated Statistics for a Time Series The article linked to above provides a sample of aggregating time series data. ...
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### How can I add a plot legend with variable value and text?

I have a list plot: ...

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