Community Profile

photo

A


Last seen: etwa 2 Jahre vor Aktiv seit 2011

Statistics

  • First Review
  • Thankful Level 3

Abzeichen anzeigen

Content Feed

Anzeigen nach

Frage


Change or remove duplicate matrix elements
I have the matrix: value = 3.1727 5.2495 5.2708 3.3852 5.6222 5.2708 5.1444 4.9834 ...

etwa 7 Jahre vor | 3 Antworten | 0

3

Antworten

Frage


Constructing a symmetric matrix
Hello! I am trying to construct a symmetric matrix, B, from a random matrix, A My code is as follows: scale=6; ...

fast 8 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Basic iterative schemes in matlab
Hello, I am becoming acquainted with solving basic linear problems in matlab iteratively. So, I apologize for this very basic...

fast 8 Jahre vor | 1 Antwort | 1

1

Antwort

Frage


Construct tri or penta diagonal matrix from an exisiting matrix
Dear all, I am constructing a random number matrix, for instance A=randn(10,10) For this matrix, I would like to be able t...

fast 8 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Contour/3d plots for large data sets
Hello, I would like to generate a contour or 3-D plot for a large data set. I have a matrix B, where size(B)= 483060 4 ...

etwa 8 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Finite center difference of poisson equation
Hello! This is my first time attempting to write a finite difference method in matlab, and I am a bit confused about how to c...

fast 9 Jahre vor | 0 Antworten | 0

0

Antworten

Frage


Finding radius by fitting circles to partial lines
Hello, I am trying to find the radius of circles from images which contain only a portion of the circle image, like this: http:...

fast 10 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


Fitting circles/finding centers
Hello, I have images that look like this http://postimage.org/image/cis2x0wd3/ from a Zeeman experiment. I would like to find...

fast 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


How to open to convert *.b files using Matlab
Hello, I have a series of files to be opened in matlab, which were made in Yorick with the extension *.b. How can I open these ...

fast 10 Jahre vor | 0 Antworten | 0

0

Antworten

Frage


Best way to store a variable outside of a loop
Hello! I have a program that runs through a series of images, which are called upon by iterating the number at the end of the...

etwa 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Finding largest peaks in a graph
Hello! I am writing a little program to plot out the intensities of split spectral lines from a Zeeman experiment. I get g...

etwa 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Minimizing and plotting equations with variables
Hello! This is probably quite a rudimentary question, but I am not familiar with solving equations in matlab, and would great...

etwa 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Fitting a curve to data
Hello, I am trying to test out the validity of Taylor-Sedov analytical solution to an experimental data set. I want to fit...

mehr als 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Locating point where slope becomes most steep
Hello, I am trying to extract data from this graph, generated from the image to the right of it: http://img3.imageshack.us/i...

mehr als 10 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


Finding coordinates of peaks
Hello, I have a data file that looks like this: http://imageshack.us/photo/my-images/26/peakds.jpg/ and I would like to ret...

mehr als 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Converting uint8 array into 32-bit
I have a 1280x960 uint8 array that I would like to convert into uint32. Any suggestions? Thanks!

mehr als 10 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


Renaming files in a folder
Hello, I'm written the following code to rename files in a folder. However, for whatever reason it is not working. Any idea w...

mehr als 10 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Error on the slope when using a least squares fit
Hello, I am fitting a slope to data points using least squares fit (polyfit), but I also need to know the error on the slope ...

fast 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Superimposing graphs with different axis
Hello, I have a routine that creates 70 graphs, each with different axis. (i.e. 70 images of the same size, but with differen...

etwa 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Centering a histogram around the median
Hey, I have data that I am plotting a histogram with, and I want to center my histogram on the mean, with six bins (i.e 3 on ea...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Error: Subscripted assignment dimension mismatch
Hello, I have a 48x64 matrix, let's call it dummy, and I have located all of the non-zero values in dummy(:). returned as ...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Creating a text file through Matlab
Hello, I want to save parameters from a program that I am running to a separate text file, while the program is in progress. ...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Restricting matrix values
I have a matrix: points= 37 29 36 30 37 30 35 31 36 31 37 31 36 32 ...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Renaming parameters in a loop, Comparing Z-Scores
I have a 48x64x41 array where the dimensions are vertical x horizontal x time. I need to compare the z-score array values for t...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


Returning parameters from a called function
Hello! I have what may be an elementary question, but I have been struggling with it for a little while: I am calling anothe...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten

Frage


Rotating a Vector
Hello! I am wondering if anyone has an elegant way to rotate a vector by a specified degree. For example, I have a vector th...

mehr als 11 Jahre vor | 4 Antworten | 0

4

Antworten

Frage


Changing font size using xlabel
[EDIT: Mon Jun 6 16:32:41 UTC 2011 - Reformat - MKF] Hello, I am putting a label on a graph using xlabel, and I want to increas...

mehr als 11 Jahre vor | 3 Antworten | 1

3

Antworten

Frage


Improving resolution of a loaded image
I am working with two routines that create images, and save them automatically with saveas (as .png files) to a folder. I then w...

mehr als 11 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Loss of resolution with imread?
Switched the image type to pnf and the resolution problem was solved.

mehr als 11 Jahre vor | 0

| akzeptiert

Frage


Loss of resolution with imread?
I am loading some images to another program using imread, and I have noticed that the resolution for some graphs that are saved ...

mehr als 11 Jahre vor | 2 Antworten | 0

2

Antworten

Mehr laden