3
votes
2answers
354 views

Represent Plot Scale with an offset

I want to know how to represent the axis on my 3dplot with a scaled offset. Please see the image below, I just want to show in the plot as {X-Axis*0.1} and {Y-Axis*0.1} ...
1
vote
1answer
433 views

How to copy/paste an OverHat symbol into Microsoft Word 2010 properly?

I have problem with output traditional form of sign above the constant. When I copy/paste in word it is far away up. Is there solution for this? ...
1
vote
2answers
325 views

Manipulate: SetterBar with list of functions

From the documentation: Manipulate[Plot[f[x], {x, 0, 2 Pi}], {f, {Sin, Cos, Tan, Cot}}] How do I include a function like $1/x$ or $x^2$, etc. in that list? I ...
1
vote
1answer
375 views

ListPlot with labels that appear when the pointer goes over the points

I would like to generate a ListPlot with labels that appear when the pointer goes over the individual points. Specifically, I have a table of dimensions ...
8
votes
3answers
799 views

FullSimplify does not work on this expression with no unknowns

I can't reproduce this simple example from Habrat, 2010 ("Mathematica : a Problem-Centered Approach"). It is supposed to demonstrate the functionality of ...
3
votes
1answer
832 views

DensityPlot with one log axis

Is there any way of generating a density plot (or something similar) with one of its axes on a log scale? Essentially I'm trying to combine a LogLinearPlot and a ...
22
votes
4answers
2k views

How to integrate functions of linearly interpolated data?

At first, consider integration of pure InterpolatingFunction. Importing some data (works in v.9, for earlier versions one can use this link to download zipped ...
1
vote
0answers
1k views

Speed up Numerical Integration

EDIT: I need to evaluate a very complicated multi-dimensional Integral. The dimension of the Integral depends on a variable j. Let's make my point clear with the ...
1
vote
0answers
103 views

ReadList and multiple access of the same file

I have a file containing a large amount of data which can be processed independently. In order to process all data in a reasonable amount of time I distribute the jobs on three different machines. ...
1
vote
1answer
768 views
10
votes
2answers
219 views

How do I inherit a specific cell option from another style (without copy paste)?

How can I define a style with FontSize from Section and CellFrame from Program?
3
votes
3answers
194 views

Count items in a list that occur before a date

I have a list of dates that happen throughout 2013. I wish to construct a graph showing a cumulative total of elements that happen before that date. I have a working algorithm, but it seems too slow ...
7
votes
1answer
1k views

Plot cross sections of a function

I have been learning how to use Mathematica for the past few weeks, and recently I have been trying to recreate something along the lines of this. Given a function, I want to create a 3d plot of ...
0
votes
1answer
398 views

Make Mathematica wait before replacing?

How can I force Mathematica to completely evaluate a subexpression before using a replacement rule? For example, consider the following definition (for the series of ...
0
votes
0answers
79 views

How to get a more traditional-looking for protected constants [duplicate]

Is there any solution to make rule to export as a traditional form protected constants. Here is example which doesn't work. ...
4
votes
0answers
95 views

Using Resolve and ForAll to prove takes a really long time

I've been trying to prove a lemma for my paper using Mathematica... basically that $$\forall \{n, d_i, d_j\} \in \mathbb{Z},\ n \ge d_i > d_j \ge 2$$ it's true that $$V[1, n, d_i-1, d_j-1] ...
6
votes
1answer
187 views

Different actions with dragging and clicking points in same graphic

On a graphic (in this example a simple plot), I need two points to move when I drag with the mouse, and these points must move to location {1,1} when I click on them. This is how I got it to work, ...
7
votes
1answer
458 views

Where is the “Insert > Citation> Bibliographical Reference” Command?

I don't have the command for inserting citations described in the documentation: "Insert > Citation> Bibliographical Reference" is not present in my menus: That's the entire contents of my ...
0
votes
0answers
49 views

Inverting a matrix [duplicate]

Possible Duplicate: Why does MatrixForm affect calculations? I am facing a strange behaviour from Mathematica when asking it to invert the following matrix: ...
0
votes
0answers
78 views

Finding real and imaginary parts [duplicate]

Possible Duplicate: Extract real part of a complex expression better than Re does I have an expression and I would like to find its real and imaginary parts. As a simplification, suppose ...
10
votes
2answers
277 views

MathLink C API: sending a List[] of so far unknown length

I would like to send a set of Mathematica expressions (i.e. not simple types that are easy to represent and temporarily store in C) in a List using the MathLink C ...
1
vote
1answer
481 views

How to calculate an integral of an expression that is determined numerically (in Mathematica)?

First of all, I am fairly new to Mathematica and Stackoverflow, so please feel free to give me any advice whatsoever. I aim to calculate an integral of an expression that has been determined ...
8
votes
2answers
514 views

Are plotting markers with inscribed letters possible?

I have large data consisting of values obtained by sweeping across three parameters (e, w, and f). I want to plot all this data on one graph using different shapes for e (e.g., circle, triangle, ...
8
votes
3answers
713 views

How do I make Reduce yield all solutions explicitly?

Say I want to do the following: Reduce[ x+y+z==1, {x,y,z}, Modulus -> 7 ] then I get a solution with parameters, C[1] : ...
1
vote
1answer
1k views

Why doesn't my Manipulate work?

I am new to Mathematica and reading my way through a few books. Playing around with Manipulate and I noticed the following does not work: ...
0
votes
1answer
226 views

CDF player Inputfield list

I want to work with lists within the CDF player. A very simple example, which works inside a notebook is ...
8
votes
2answers
401 views

Tally repeated evaluation of function

How can I tally the result of repeated evaluation of a function? n=100000; f[]:=RandomInteger[{1, 4}] Tally@Table[f[], {n}] When ...
7
votes
2answers
639 views

BoxWhiskerChart with logarithmic axes

I would like to make a following chart Ideally I would also like to control the boxes position on a logarithmic x-axis. Some inspiration how to do the latter may be found in the answer to my ...
1
vote
1answer
2k views

Given x[u,v], y[u,v], and f[x,y] how do I find D[f,x] in terms of u,v?

I have two functions x = x(u,v) and y = y(u,v). The chain rule says that for a function f(x,y), df/dx = df/du du/dx + df/dv dv/dx, and similarly df/dy = df/du du/dy + df/dv dv/dy. How do I get ...
5
votes
1answer
209 views

How do I avoid the gaps introduced by a frame on a plot?

You can see that there are gaps on all sides of the plot between the frame and the extent of the line that I've plotted. How do I get rid of these? I'd like the frame to cover $[0,1]\times[0,1]$ and ...
3
votes
1answer
287 views

How can I get the general term of this recurrence equations?

Following is the recurrence relation: a[1] = 1; a[n_] := a[n - a[n - 1]] + 1 Array[a, 28] I tried to use RSolve, but it ...
7
votes
1answer
366 views

How can I define a function that can accumulate its parameter?

For example, write a function add: add[3] return 3 add[4] return 7 add[10] return 17
0
votes
0answers
289 views

How to display detailed output in Mathematica [duplicate]

Possible Duplicate: Get a “step by step” evaluation in Mathematica How does Mathematica integrate? I want to display more detailed output from a calculation. The default command for ...
2
votes
1answer
370 views

Using NDSolve solution as initial condition for another NDSolve

I have solved a PDE numerically using NDSolve, and I now need to be able to use that solution as an initial condition for another ...
6
votes
2answers
2k views

why I can't define a commutator operator in this way?

I am trying to define some operators I used frequently. For example, I defined a KroneckerProduct operator as $\otimes $ as follows: ...
0
votes
1answer
931 views

Why does Mathematica fail to solve my equation?

I am trying to solve an equation using Mathematica, but I keep getting the following error Solve::nsmet: This system cannot be solved with the methods available to Solve. More importantly, ...
0
votes
1answer
563 views

Calculating orbital period for the logistical map [closed]

I have the following MatLab code ...
12
votes
1answer
617 views

Can a LatticeData image be displayed in a space filled fashion

I'd like a FaceCenteredCubic image as in the in LatticeData docs, but space packed, and cropped on all the boundaries, so that it illustrates the geometry of the calculation that leads to the ...
10
votes
2answers
400 views

Functions that remember their values

Can someone explain what is going on with the following ... func[y_] := func[y] = (Print["Hello world !!!"];) func[1] Hello world !!! ...
0
votes
1answer
2k views

Interpolating 2D data [duplicate]

Possible Duplicate: Interpolating 2D data with missing values I am trying to interpolate a 21x21 array of values. The 21x21 array sometimes has zero values and with the help of ...
22
votes
0answers
931 views

How would I improve this Karaoke machine code?

I was looking at a large collection of Import/Export user suggestions the other day and it dawned on me that we finally have MIDI import in Mathematica 9, which is rather interesting since MIDI ...
4
votes
0answers
135 views

What is the difference between Block and Module? [duplicate]

Possible Duplicate: What are the use cases for different scoping constructs? I don't understand the difference between the Matheamtica functions Block ...
7
votes
1answer
314 views

How do I place a graphical marker (box, circle, …) in a MatrixPlot?

I'm trying to locate minima / maxima in matrices on a heat map. So I have my 2D matrix and did a MatrixPlot, and I can find the position of the smallest value. ...
3
votes
3answers
265 views

How can I expand a inequality with Abs

I want Abs[x] + Abs[y] <= 1 to be convert to ...
5
votes
6answers
759 views

Make the code shorter for solving Fizz buzz

Here is Fizz buzz Write a program that prints the integers from 1 to 100. But for multiples of 3 print "Fizz" instead of the number and for the multiples of 5 print "Buzz". For numbers which ...
3
votes
1answer
172 views

Can this Part shortcut key be made to work with version 9?

In version 8 I was a frequent user of the "Use shortcut keys to easily type〚 and 〛" trick. In version 9, when I try to make the necessary change to ...
5
votes
2answers
2k views

How do I draw lines perpendicular to contour lines on ListPlot3D?

I am plotting the voltage in a pool of water with two electrodes. I have contour lines on my graph at every volt, but I would like to show the electric field lines which are going to be ...
6
votes
2answers
1k views

Interactive 3D plot in web browser?

Are there any ways to show a mathematica plot in a web browser so that the user can rotate it and such? I am open to embedding it in a web page - or some other method such as porting it to a ...
0
votes
1answer
1k views

How to understand and use DSolve solution

This equation is simple to DSolve in Mathematica, but I don't know how to use and understand solution. ...
1
vote
0answers
267 views

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