# All Questions

2answers
106 views

### StreamPlot, ListStreamPlot scaling issue [duplicate]

The following stream plot is empty and the x-axis exceeds $[-0.1,0.1]$ significantly. StreamPlot[{y, -100000 x - y}, {x, -0.1, 0.1}, {y, -100, 100}] Using ...
2answers
98 views

### Plotting mixing entropy [closed]

Hello I am attempting to write a code for plotting mixing entropy. My graph will not show up. Please give guidance of how to fix my problem. ...
3answers
204 views

### Solve simple trig equation

I would like to solve this equation: $$-x\sin(x)=\cos(x)$$ But Solve in Mathematica doesn't work: This system cannot be solved with the methods available to ...
0answers
97 views

### Substitute for 'InputField' in Wolfram Demonstration

My application relies on the ability of users to enter text, and has several settings with a huge range of potential values best entered as strings (to comply with Wolfram's admonition to "choose your ...
1answer
65 views

Given ...
3answers
179 views

### Binning events with weights

I have two vectors, one containing sampled energies and the other one for each of these energies a weight: e(i) and w(i). I ...
1answer
192 views

### How to check a solution of a partial differential equations?

Here is a system which Maple can solve, but Mathematica cannot. ...
2answers
254 views

### Cropping a Plot without rasterization

Suppose that I make a plot of $x^2$ vs. $x$: myPlot = Plot[x^2, {x, -1, 1}, Frame -> True] If I click on the plot, I see the orange handles with which I can ...
2answers
83 views

### Command to change binary mlf terms into Subscripted mlf terms?

I express multilinear functions in the following format. Is there any ready command to convert them to multilinear functions easily? Input ...
3answers
2k views

### Mathematica 8: ContourPlot finding out max and min function values [duplicate]

I have a ContourPlot where I have let Mathematica draw the contours automatically. I would like to extract the zmax and zmin contour values that have been determined internally so that I can pass them ...
1answer
250 views

### Partitioning a data set of two-dimensional coordinates into subsets of coordinates underlying non-overlapping tiles of a bounding box

Image I have a list of coordinates of the form: ...
1answer
209 views

### Style markers in strings

I'm dealing with strings in Mathematica and I would love to handle their stylling in the most cenvenient way. Without loss of generality, let's assume I want to make some parts of string ...
3answers
476 views

### Adjusting the pixel values underlying a morphological component when computing an “IntensityCentroid”

When calculating an "IntensityCentroid" with ComponentMeasurements, i.e. for an image $I$ and set of components $C$, ...
1answer
349 views

### Selecting morphological components, of a certain size, centered on points of interest in an image

I have a set of points in an image, for example: ...
2answers
365 views

### Add keyboard shortcut to the DisplayFormula style

Is there a way to set up key bindings for the DisplayFormula and DisplayFormulaNumberedstyles? I am using Mathematica 9 on mac ...
2answers
141 views

### How can I make a plot of data saved in a .txt file? [duplicate]

My file. Txt has only two columns, where the 1st column is the time that the data was generated by the 2nd column has decimal values ​​1-100. Example: ...
1answer
173 views

### How can I change the Graph required data such as EdgeWeight,VertexWeight,EdgeCapacity,VertexCapacity in the Graph?

I asked this question in different form and because I couldn't receive the proper answer so I have to change my question.I know that was my fault sorry.I need to change the Matrix Data of nodes and ...
1answer
176 views

### direct assignment to the element in a Table

I have already asked a related question here why set values in this way doesn't work? But I think I have to write the question which I encountered explicitly? ...
2answers
277 views

### How to blend some colors on a curve

I need to define a color gradient on a 3D curve, but I'm having some problems with this. Suppose we have a 3D curve defined as a parametric function of some real variable ...
1answer
1k views

### Add noise (random values) to data

I have a data set(x,y,z) corresponding to a hemisphere, to which I want to add some controlled noise (random values) to make the x,y,z values diverge. data = Flatten[ Table[{i, j, i^2 + j^2}, {i, ...
1answer
969 views

### How to set path of IMPORT from excel into Mathematica?

I was able to IMPORT from excel data at the start of my project when both the .nb and EXCEL XLS files were sitting in MyDocument (or some other location), but upon moving both files into my Dropbox ...
1answer
16k views

### Why I get the “Set::write: ”Tag Times in is Protected." error?

Why I get the error below with this code: ...
1answer
1k views

### Adjusting the legend colors to match that in MatrixPlot

I am trying to show the legend with a ColorData for a discrete Fourier transform coefficient table. Here's a sample data table: ...
1answer
686 views

### Using previous two solutions as a start point in FindRoot

I need to solve a sequence of equations and I want the starting point of each new FindRoot to be the solution of the earlier FindRoot, increased or decreased by a a bit in the following way: Some ...
3answers
217 views

### How can I write the frame ticks in Scientific Form?

Is there any way to remove the decimal places in the frame ticks. I would like to make the y axis ticks integers. I use the following code. My only problem is how to manipulate the y axis without ...
2answers
116 views

### What is wrong with combining two programs with event handlers?

I can delete the unwanted nodes of a RandomGraph by double-clicking on them from the first program, and I can change the positions of the nodes by dragging them ...
1answer
420 views

2answers
913 views

### Why does this simple program leak memory?

I have a simple Mathematica program which writes some plots to image files for later conversion into a movie. Unfortunately, the program leaks so much memory that it quickly exhausts all 12G of RAM ...

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