10
votes
2answers
294 views

Vertical (mis-)aligning of plotmarkers and legend text in V10 PlotLegends

Consider this example, taken from the docs and modified for a larger font size using Style (V10.0): ...
8
votes
0answers
334 views

Interpolation on an unstructured (mostly-structured) grid in 4D+

I frequently need to perform interpolations on an unstructured grid. Mostly, with the purpose of filling grid holes and then later continue with regular grid interpolations. Mathematica V9 and V10 ...
10
votes
1answer
241 views

How can I disable the “convert to freeform linguistic input” dialog box?

So I'm putting in some function, busy typing away. Then after I've entered some text, I pause for a few seconds. In this time, the notebook pops up the question "Convert to Free-Form Linguistic ...
7
votes
1answer
260 views

Extract common subexpressions from expressions [duplicate]

I am trying to evaluate multiple independent expressions with common parts. I would like Mathematica to somehow give me this common parts. It's probably not so clear, so let me give you an example. ...
7
votes
2answers
263 views

A question regarding “DiscretizeGraphics”

I want to find the volume of a torus torus = RevolutionPlot3D[{2 + Cos[t], Sin[t]}, {t, 0, 2 Pi}] ...
2
votes
0answers
108 views

Incorrect output from InverseFourierTransform

Bug introduced in 8.0.4 or earlier and fixed in 9.0.1 or earlier I am trying to compute the inverse Fourier transform of this expression ...
2
votes
1answer
133 views

Meaning output ANOVA post hoc tests

I am carrying out an ANOVA in Mma, and I wanted to apply a post-hoc test, but I do not understand the output that is given. It says e.g. Model-> Duncan, {4, 5} ...
14
votes
1answer
740 views

Is there a better way to “grow” black tulips?

I used the following clumsy way to obtain a bundle of black tulips. Is there a better way to do so? ...
3
votes
2answers
202 views

Rounding the coeffcients in a polynomial

I have a very large polynomial with Complex Numbers as coefficients. Due to many calculations, there are rounding off errors. I know however by theoretical considerations, that the coefficients are ...
5
votes
1answer
89 views

StateSpaceRealization “ControllableCompanion” does not generate ControllableCompanion form from DE

Fixed in 10.1 I must be doing something wrong, but do not see it. There is an option in Mathematica control system function StateSpaceModel where one asks it to ...
1
vote
1answer
97 views

Function returned an unexpected list

I was trying out a question in Wellin's Programming with Mathematica that says the following. Question: Given a set of points in the plane (or 3-space), find the maximum distance between any pair of ...
10
votes
2answers
527 views

Interpolating an Antiderivative

I'd like to be able to make InterpolatingFunctions for antiderivatives of functions that can't be integrated symbolically. However, the following code returns ...
3
votes
2answers
175 views

Manipulate a parameter within the PlotLabel

Very similar to Parameters in plot titles in which I want to call a parameter from an array using PlotLabel in my plot using ...
8
votes
3answers
122 views

Create a closed notebook

When using nb = CreateDocument[], is there an option that prevents the notebook from opening automatically? And is there a command that opens the notebook when ...
3
votes
1answer
92 views

Remove values from list element, and add to other element

Basically what I need is to make a list of 400 elements, all have value 1. The next step is to create a function, that subtracts value (-1) from an element, and adds that to another element. So: (1,...
11
votes
1answer
464 views

Kernel crashes when plotting $z=\sqrt{(x^2 + y^2)}^0$

Bug introduced in 7.0.1 or earlier and fixed in 10.0.1 I'm plotting a 3D function, which makes Mathematica V9 (running on Windows 7) crash all the time. Does this only happen for me or for somebody ...
1
vote
2answers
65 views

Convergence problem when I try to integrate a function of one variable and one symbolic parameter

I have an integral with a parameter a and a > 0 ...
6
votes
2answers
164 views

Choppy curves with Manipulate [duplicate]

While manipulating the slider in Manipulate[], I experience choppy curves. These do however render correctly after letting go of the slider. The same phenomenon occurs when pressing the + or - button ...
8
votes
1answer
323 views

MathLink error while calling a custom Mathematica function - MLGet out of sequence

I am trying to call Mathematica 10 from F#. Following the C# sample code found in the Mathematica directory, I have written the following F# code: ...
0
votes
0answers
31 views

Is it possible to plot a List of functions with different colors in Manipulate (or with substitutions)? [duplicate]

I'm trying to use Manipulate[Plot[... to do two things at once: Plot the multiple forms a function can take depending on the chosen value of a root inside the function, and 2. show how the functions' ...
5
votes
2answers
497 views

Exporting row vector as a column in excel

I want to export a vector in Mathematica to appear as a column in Excel. I am trying A={1, 2, 3}; Export["mfile.xls", {"A" -> A}] But it is showing 1,2,3 in ...
1
vote
1answer
222 views
10
votes
0answers
717 views

Dataset in Mathematica 10.0.1

Wolfram pages "Mathematica Quick Revision History" in Mathematica 10.0.1 release says: "New operators and compositions of operators enabled for associations functions such as Dataset and Query" ...
3
votes
0answers
105 views

Is there a way to convert the mathematica document into word document in a neat way? [on hold]

Is there a way to convert the mathematica document into word document in a neat way? I tried by "save as" command and found something like Risk text format "*.rtf" but still many parts look messy..
4
votes
2answers
174 views

Display Quantity in full form

Is there a way to display Quantity[] in full form in the output? I know you could use Quantity[valuse, Unit]//InputForm, but ...
1
vote
1answer
72 views

Why does my Dynamic NonliearModelFit keep running?

I have complex data and which I am fitting to a complex formula. In order to use NonlinearModelFit I split the formula and the data into real and imaginary parts. ...
2
votes
1answer
198 views

Double integral changing the limits

This integral does not evaluate: Integrate[ Integrate[1/(E^((a - c)^2 + (b - c)^2) ), {c, 0, 1}], {b, -Infinity, Infinity}] However, reversing the integrals ...
5
votes
1answer
162 views

Building an arch in SystemModeler

I'm trying to learn SystemModeler and struggling a little... Building on the chain pendulum example from Wolfram, I've happily made a chain with revolute joints with spring/dampeners connecting the ...
4
votes
1answer
93 views

How to set the width of grid elements in pixels?

That is all: How can I set the width of columns in a Grid in terms of pixels instead of 'ems'? To be more precisely, I want to create a grid that is 330 pixels ...
7
votes
2answers
403 views

Display variable name instead of value

Is there a way to display the variable name instead of its value? for example, I need something likevarname = 1; function[varname]; and the output is ...
2
votes
1answer
207 views

Variable number of controls in manipulate

i want to add a variable amount of variables to manipulate, but i got stuck at one point and can't figure out a solution (even after reading here for hours...). I have a function (e.g. here a ...
9
votes
4answers
262 views

Conditional ListPlot with text recognition

This is my data ...
2
votes
2answers
210 views

How to get the series coefficient of a function defined by a differential equation [duplicate]

I need a Taylor series approximation for $x(t)$, which is defined by the following differential equation. $\frac{dx}{dt}=-k_1 x+(1-x)k_2 e^{-k_3 t}$, $x(0)=0$ ...
2
votes
1answer
75 views

How to overwrite a private symbol value temporarily?

I have a package file mypackage.m with BeginPackage["Foo`Bar`"] Begin["`Private`"] tmp=2; foo=2*tmp; myprogram[foo] ... End[] EndPackage[] The file is VCS ...
7
votes
1answer
879 views

Plotting a moving ball for projectile motion with animate

Here is my code for plotting an orbit. What I want to do is have the "planet" shown as it orbits in the simulation. Can anyone help with this? ...
5
votes
3answers
963 views

Finding exponential model from data [duplicate]

I'm trying to find an exponential model from data for a homework problem. There is an accompanying video explaining how to do the bigger problem but it omits any instructions on the step where the ...
11
votes
5answers
547 views

Applying a function to a Dataset column conditional on another slot's value

How to apply a function to a column conditional on another slot's value? The Dataset documentation show only how to apply a function to named slots independently. The ...
8
votes
1answer
132 views

Auto highlighting input cells depending on input expression (eg its Head)

Is it possible to programmatically highlight (eg, by change background color) an input cell conditional on the input expression's Head (or other attributes) upon evaluation? For example, would like ...
1
vote
3answers
262 views

Can I find constants in a function?

Let's say, I have a function with a constant, e.g. $y(x)=x+c$, and a condition $y(0) = 5$. I want to type in something like Solve[{y[x]=x+c, y[0] =5}, {c}] and get ...
0
votes
1answer
282 views

How can I resolve the insufficient memory to complete the computation problem for solving function with iterated variables?

I am trying to solve for a value x in a function where the variables varies with iterations of K. Also, there is one variable called "rvsum" which is updated with a certain formula as well. I have ...
3
votes
0answers
120 views

Why is it not allowed to define vectors of variables in a scoping construct?

The following command assigns 1 to a, 2 to b and 3 to c: ...
2
votes
1answer
238 views

Import selective elements from mixed (text and numbers) data file

How can I import only the 2nd and 5th elements (numbers, located in the 2nd and 5th columns) from all n raws of a data file (.xlxx) that contains both numbers and text. Imported data be inserted into ...
4
votes
3answers
304 views

have a function redefine itself as it maps through a list

I have a list which contains sublists, e.g. list = {{a,b}, {a,b,c}, {a,b,a,a}, {b,c}, ...} I then map a function through each sublist. This function should ...
3
votes
4answers
575 views

drawing core-shell structure [duplicate]

I am pretty new in Mathematica drawing. I am trying to draw a core-shell structure, it means a core sphere with a shell sphere, like this It can be in 2D or preferentially in 3D. Does someone can ...
1
vote
0answers
48 views

How to call a java method that takes a boolean (not Boolean)?

I'm trying to call a method on a java object that takes a single boolean argument - note boolean (native or primative) not Boolean (Object or Reference type). ...
2
votes
1answer
170 views

Select in complex dataset query

I want to use Select for a more complex dataset query. Part of the query shall be dynamic, depending on the user input. The Select part looks something like ...
1
vote
1answer
105 views

How to understand the extensional usage of Flatten? [duplicate]

Recently, I have been reading Mathematica program that written by many advanced Mathematica user, like Mr.Wizard, J.M., Kuba,etc to improve my programming capacity In the On generalizing Partition[] (...
4
votes
3answers
851 views

Find arc length

I am trying to find the arc length for using ...
22
votes
0answers
262 views

What is ColorEqualSigns and how does one use it?

I'm setting up the SyntaxInformation for a package I'm writing and I'm struggling to understand what the "ColorEqualSigns" ...

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