# All Questions

510 views

### Running external pdflatex command and importing the generated PDF document

There have been a couple of questions about incorporating labels and equations that were typeset in $\LaTeX$ into a Mathematica notebook. Ideally, this requires running ...
260 views

### Should Row be used in place of StringForm?

I've been using Mathematica for a long time, so I have a habit of using some of the older functions even when newer, better ones have been added to replace them. ...
324 views

### Grid without lines, but with dots

I want to build a grid to look like the top-left table shown below, but without an outside frame. Here is what I've tried to do: ...
1k views

### Second level depth pure function?

I have the following working construction: Select[ln125, # == Nearest[ln125, 551.748][[1]] &] Here, ln125 is a one ...
255 views

### Under what conditions does FinancialData return a ::notent message?

I tried retrieving FinancialData for a few companies but when I tried doing it for NTDOY, I couldn't. As of 25/12/2012, querying ...
769 views

### Using MapThread on list of lists

Just a light weight question for learning. If you think this was asked before, please feel free to close it. I am trying to learn MapThread more, and wanted to use ...
386 views

### Incomplete implementation of units?

I've been playing around with the new units capability in MMA9 and I'm becoming a bit frustrated with what I perceive as an incomplete implementation of this capability and I'm wondering if there are ...
260 views

### Symbolic computations with already assigned variables

For example I have assigned some variables that could defined in terms of each other. Then I for some reason need to derive some formula using this variables. How to show the result of this ...
479 views

### Sound data Import Export

Can't regain the data after Export. Create an array of sampled amplitude values: 2. Visualize as sound 3. Save it 4. Get it back 5. ??? ...
142 views

### Mathematica does not export Turkish characters in a Graphics expression

When I export the following Graphics expression as a PDF (or EPS) file, the Turkish characters ü and ç do not appear. ...
2k views

### Extracting the coordinate of a particular point of interest from a ListPlot

Is there a way to obtain the coordinate of a point of interest in a ListPlot? As an example, I have a list containing many sets of 2D coordinates and the plot ...
111 views

### Associating symbol pages with symbols (Workbench)

Normally when you have symbol Abc, WorkBench creates a symbol page named Abc. Then when you make a build, type Abc and then press the F1 key, you are sent to the Abc symbol page. Suppose however ...
2k views

### How to create a Table of Tables with indexed variables

I want to use concise code to generate a table of values that list the addition of a set of vectors. What I am looking for is essentially a Table of Tables. I will show here the kind of lists I want, ...
1k views

### Solve pair of recurrence relations

[Corrected equations and added simple example] Can you solve a system of (loosely) coupled recurrence relations like this in Mathematica somehow? ...
223 views

### Dynamically link cell content in Mathematica?

Is it possible to dynamically link the content of two cells? For example, can I set up a Notebook with two text cells that display the same value, and if the user types in one the other updates, etc.? ...
584 views

### How to get full-screen graphics canvas?

Is it possible to create a full-screen graphics without any front end elements like cell brackets and scrollbars? The zero approximation can be ...
2k views

### Solving an Integral equation

I would like to solve the equation $$\frac{2}{p}\int_0^1((1-u)^{1-p}+u^{1-p})^{\frac{1}{p}}\text{d}u=42$$ for p numerically. I tried ...
234 views

### Rescuing a vertically clipped histogram

I recently ran a rather time intensive calculation and plotted the results in a histogram by simply called Histogram[data]. However, because of a rather serious error on my part, I recently lost my ...
397 views

### How can I provide dividers and control item alignment in a Grid?

I make a Grid with multiple Rows and Columns. I want to apply different types of Dividers and Alignment to that Grid. If you ...
727 views

### How do I solve this equation?

I want to solve the equation $$f(f(-1)) = \sqrt{2} + g(f(2)),$$ where $$f(x) = \dfrac{a}{x^2} - 3x + 2, \quad g(x) = a\cdot \sin 2x$$ $a$ is unknown. The solution is $a \approx{-5.81}$. I tried ...
225 views

### “With” as part of the “Dynamic Interactivity Language”

I noticed that in Mathematica's Function Navigator With is listed as being part of the "Dynamic Interactivity Language". It is not the first (or even the fourth, ...
313 views

### FindMaxValue specifics

I'm using FindMaxValue to study the distribution of maxima of Abs[RiemannSiegelZ[t]] between consecutive values of ...
276 views

354 views

### Pasting external PDF vector graphics without losing ability to export them

Update: Problem persists in version 10.2 on Mac OS X 10.9.5 As in previous versions, Mathematica 9 on Mac OS X (10.7.5 here) still has a problem with pasted PDF ...
331 views

### FullSimplify inconsistency

I'm pulling my hair out with this one. I have two complex functions f and g, ρ is real. ...
1k views

### How do I make an image “nearly” black and white?

Using the following code, I downloaded an image from the web and adjusted the image to obtain the "negation" of the image: ...
263 views

### What causes this strange convergent sum?

N[Sum[1/(x^2 + 1), {x, 1, Infinity}], 5] N[Sum[1/(x^2 + x + 1), {x, 1, Infinity}], 5] 1.0767 0.79815 + 0.*10^-6 I What causes the strange number?
741 views

### How can I improve my code for drawing a tree?

This code draws a tree, but it's not in the functional style. ...
6k views

### How do I extract a number from a string?

I want to extract the number from an alphanumeric string. This is what I tried: StringTake["thiru3", {6, 6}] The result I got is ...
404 views

### Quickly look-up usages, options and attributes of symbols

When I'm writing code in the front-end, I find myself very often looking up the list of options of a symbol over and over again in the documentation center. In most cases you find there a list of ...
218 views

### Preventing Grid from resizing when the item height is increased

I created a grid of size 200,200 and placed a button in it of size 200×200. ...
308 views

### How to express endogenous variables in terms of exogenous variables?

I have 11 endogenous variables (RD, NR, WR, Q, NQ, R, L, W, NU, C1, C2) and two exogenous variables (EE, K). I'm trying to find $RD = f(EE, K),\, NR = f(EE, K),\, ...,\, C2 = f(EE, K)$. Hence, I ...
148 views

### Why are some equal expressions more equal than others?

n1 = 1/3 (2 + (-Sqrt[3] + 2 Sin[(2 π)/9])/(Sqrt[3] Cos[π/9] - Sin[π/9])); n2 = 1/2 + Sin[π/18]/(3 Cos[(2 π)/9] + Sqrt[3] Sin[(2 π)/9]); n3 = 2/3 (1 - Cos[4 π/9]); ...
525 views

### How do I find the amount of free space on disk?

I know a workaround, where one calculates sizes of all files and then you subtract this from your default space, but is there any direct way to do it? Simplicity and speed are important. There's the ...
5k views

### Is there an option to change the space/distance between tick labels and axes labels for plots?

In an attempt to squeeze more plots and controls into the limited space for a demo UI, I am trying to remove any extra white spaces I see. I am not sure what options to use to reduce the amount of ...
935 views

### NDSolve problems of convergence

I have a big function that I have to maximize, so I have to evaluate some equation with thousands of different values of the parameter. But the FindMaximum returns me many errors. I have traced the ...
I intend to write a function which calculates the result and the error for any formula with any amount of variables using the Gauß Error Propagation. The error $\mathrm{d}R$ for a function $R(a,b,c)$ ...