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Awarded to A on 09 Oct 2019
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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 ...
fast 9 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
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; ...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 9 Jahre vor | 1 Antwort | 1
1
AntwortFrage
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...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
fast 10 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 10 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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:...
mehr als 11 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
mehr als 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 12 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 12 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 12 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
mehr als 12 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Restricting matrix values
I have a matrix: points= 37 29 36 30 37 30 35 31 36 31 37 31 36 32 ...
mehr als 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 13 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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 13 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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 13 Jahre vor | 4 Antworten | 0
4
AntwortenFrage
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 13 Jahre vor | 3 Antworten | 1
3
AntwortenFrage
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 13 Jahre vor | 1 Antwort | 0
1
AntwortLoss of resolution with imread?
Switched the image type to pnf and the resolution problem was solved.
mehr als 13 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 13 Jahre vor | 2 Antworten | 0
2
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