Lizan
57 total contributions since 2011
Professional Interests: Spectroscopy, Optics, Image processing, Astrophysics, Space Physics, Oceanography
Lizan's Badges
Accept 20 answers given by other contributors
Awarded to Lizan on 20 Jul 2017
Question
Complex math problem, envelope within an area
Hi, I have a complex math problem and I don't know how to start. I have a rectangular area of certain dimension x mm. Let sa...
más de 3 años ago | 0 answers | 0
0
answersQuestion
Image analysis, intensity within a rectangle area
Hi, I was wondering if someone can help me. I have a gray image of certain size (say 400 x 400 pixels) in which I have some inte...
alrededor de 4 años ago | 1 answer | 0
1
answerQuestion
How to unwrap a signal?
I like to unwrap this vector, I calculated with a cos-function to obtain a nice dip. The figure looks like this: <</matla...
alrededor de 5 años ago | 0 answers | 0
0
answersQuestion
How can I flip the top area of the peak that is going down?
Hi, I would like to flip the part of the peak that goes gown so its pointed upward. I want there to be a space between the data ...
casi 6 años ago | 1 answer | 0
1
answerQuestion
How to flip or mirror some vector parts
Hi, I have a data that has flipped on me. I need to correct for this but I am not sure how to do this. The data is in vector...
alrededor de 6 años ago | 1 answer | 0
1
answerQuestion
How to counter drifting data.
I have a dataset that is drifting a bit in time. Is there a way in matlab to counter it? I have data that changes amplitude at t...
alrededor de 6 años ago | 1 answer | 0
1
answerQuestion
How to correct for a drifting baseline?
How can I correct for a drfiting signal that is slowly declining, (x,y) values?
alrededor de 6 años ago | 1 answer | 0
1
answerQuestion
How to solve plotting different data in same figure when x-vectors are not the same?
Hi, I am trying to plot 2 data in a plotyy(X1,Y1,X2,Y2) fashion. However the data x1 and x2 does not have the same timescale...
alrededor de 6 años ago | 2 answers | 0
2
answersQuestion
Finding indices when the curve stops decreasing
Hi, I have a curve I like to find the maximum and then find the indices under the peak for which it stops decreasing on each...
más de 6 años ago | 3 answers | 0
3
answersQuestion
How to convert hours, minutes, seconds to seconds?
Hi, How can I return an array with hh:min:sec into seconds? For example VarName2(1:5) ans = ...
más de 6 años ago | 1 answer | 0
1
answerQuestion
diary, how to create a new one
I have a .m file I want to save the text at the command window. Next time I run the m-file I want to create a new diary file. Th...
más de 6 años ago | 3 answers | 0
3
answersQuestion
problem with overwritten data when auto saving
I want to auto save certain data based on where they are located in the computer. For example, myFolder = '/Users/user/Docu...
más de 6 años ago | 1 answer | 0
1
answerQuestion
Adding a plot to existing plot.
I have a base plot in which I would like to add a smaller version of a second plot/figure ontop of the base plot at a certain lo...
más de 6 años ago | 1 answer | 0
1
answerQuestion
Add existing figures onto of a new plot without using subplot
Hi, So I have a plot that something with a handle h(1) and h(2) I would like to add 4 more figures onto of the existing f...
más de 6 años ago | 1 answer | 0
1
answerQuestion
Saving figures in m-file
I am processing data and have several m-files at the time that I want to run and autosave .mat and .fig for the file. I use ...
más de 6 años ago | 0 answers | 0
0
answersQuestion
Trying to find out when a curve becomes exponential
Greetings, I have a dataset from simulations of curves which I want to find out when this curve becomes exponential or when ...
más de 6 años ago | 1 answer | 0
1
answerQuestion
Area between baseline and data peak
Hi, I am trying to determine the area under a peak curve, see image. The baseline illustrated in image is not zero, and I wo...
más de 6 años ago | 3 answers | 1
3
answersQuestion
Plotting data from struct
Hi, I am plotting data from a struct, for example plot(someStruct.a, someStruct.c) The figure I obtain I can hardly ...
más de 6 años ago | 2 answers | 2
2
answersQuestion
Trying to understand the image matrix
Hi, I have a jpg image and opened it in MATLAB. It has the following size; size(pixImage{1}) = 1024 1280 ...
más de 6 años ago | 2 answers | 0
2
answersQuestion
How to store number of images matrix and double values in cell or array?
I am not to familiar with arrays or cells in MATLAB. I would like to make an array that contains in one cell for image 1, image ...
más de 6 años ago | 1 answer | 0
1
answerReading image save as matrix and store filename information
Follow-up question 2: I am not to familiar with arrays or cells in MATLAB. I would like to make an array that contains in on...
más de 6 años ago | 0
Question
Reading image save as matrix and store filename information
Hi, I have X number of images I need to upload and obtain the data stored in the file name for later operations. For example...
más de 6 años ago | 3 answers | 0
3
answersQuestion
Why does my IEEE submission complain with format EPS file generated in MATLAB R2013b
I am getting the following errors, The graphic file is saved in CMYK mode. The graphic file needs to be submitted as RGB or ...
casi 7 años ago | 0 answers | 0
0
answersQuestion
convert time stamp into minutes or seconds
I have a file with 29.06.2014 09:53:37 -1.8 29.06.2014 09:58:36 -2.0 29.06.2014 10:39:01 -2.0 I...
casi 7 años ago | 2 answers | 0
2
answersQuestion
Fitting multiple datasets simultaneously
Hi, I was wondering if there is a way do a linear fit on 2 datasets simultaneously? It seems like you can only do a linear f...
casi 7 años ago | 1 answer | 0
1
answerQuestion
Finding and plotting the standard deviation of data fitted to a linear curve?
How can I find the standard deviation for data (x,y) fitted to a linear curve?
casi 7 años ago | 0 answers | 0
0
answersQuestion
Normalisation of data points
Hi, I have a set of data points that has a drift, that is the power is decreasing with time (the line) although the line are...
alrededor de 7 años ago | 1 answer | 0
1
answerQuestion
Splitting a mesh grid and put them together again.
Hi, I need to do a very dense mesh... but my computer cannot handle the amount of data. so I would like to split it into t...
más de 7 años ago | 0 answers | 1
0
answersQuestion
Meshing cartesian coordiantes within a circle?
I want to do a mesh with x and y .. but I only want to display the data for a circle with radius r. I don't want to use polar ...
más de 7 años ago | 1 answer | 0
1
answerQuestion
How to from my vector coordinate to fit my meshgrid matrix?
Hi, I created a meshgrid x, y, which is an matrix of (25, 5) in sixe. Then I rearranged this to r = [ x(:) y (:) ] ...
más de 7 años ago | 1 answer | 0
1
answer
Select a Web Site
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
Select web siteYou can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)