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Frage
plotting same values as individual points on x-axis
Hello, I want to plot a data in which x coordinate has multiple point waith same values and i want to keep those values as indi...
5 Monate vor | 1 Antwort | 0
1
AntwortFrage
polynomial curve fitting error
Hi i have a simple problem but strange error. am doing a polynomial curve fitting for two column vectors x and y. i use command...
etwa ein Jahr vor | 2 Antworten | 0
2
AntwortenFrage
saving image file using imread
Hi i try to save an image file but gets the following error. I could not seem to correct it. Any help is appreciated. imwri...
etwa 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
averaging images and subtracting one image from the other
Hi, I have a basic image processing question. I am dealing with two sets of images. Lets say image A (average of 10 image sets) ...
etwa 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
storing values of for loop in a matrix
Hi, i have a basic problem. i am using nested for loops x and y and calculating variable z. the variable z is over written at ea...
etwa 3 Jahre vor | 1 Antwort | 0
1
Antwort2d scan plot in matlab
what about using pcolor() command? This can also plot the data as i want
etwa 3 Jahre vor | 0
Frage
2d scan plot in matlab
Hi, I want to scan over 2 quantities lets say x and y. For every value of x, I scan over a range of y and record value z for ev...
etwa 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
change in histogram distributions
Hi, is it possible to flip a histogram around the peak value? I do not want to flip the axis. Just for performing some checks, i...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
plotting intensity distributions on an image
I have an image and i can calculate sum of intensities along x and y axis using following code. i want to plot the sum of inten...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
plotting plus minus 10% variation of a vector in matlab
Hi, I need some help with plotting. I have plotted two vectors A and B. Now I want to introduce a variation in vector A (10% var...
mehr als 3 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
markers not getting joined in plot
I came across strange problem in matlab, i did a simple line plot using following code in a loop. i want to draw the line joini...
mehr als 3 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
running an external program by changing input text file for every iteration in windows.
Hello, i want to run an external program in matlab by changing the value of a certain parameter in the input text file. I want t...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
model for fitting polynomial of degree 3
Hi, i want to use 'fitlm' for fitting polynomial of degree 3. Is there some builtin name for the model? For example, for degree...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
confidence interval for least square fitting
Hi, i have a system of equations of the form Ax=b. with A and b known matrics, i calculates x using least square method. Now i w...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
computing error on least square fitting
Hi, i slove a system of equations (Ax-b) using least square method. i get an output with x like [2.5; -11.1; 0.8; 0.5]. the stat...
mehr als 3 Jahre vor | 1 Antwort | 0
1
Antwortcalculating error while averaging multiple images
many thanks for this analyzer, it gives me attached error. Also what is mask and what does clear mask does?
mehr als 3 Jahre vor | 0
Frage
plotting error bars in both x and y data
Hi, i want to plot data set x vs y. Now i have different error valuses in x and y. I want to plot error in both planes. The comm...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
calculating error while averaging multiple images
Hi, I have a simple problem and needs guidance. I have 15 image files. I want to calculate the average of these images and calcu...
mehr als 3 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Error while starting a gui
I created a matlab gui to load some text files and process the data it contains. The GUI works all fine, but whenever i load the...
mehr als 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
reading text files in different folders and combining them
Hi i have multiple text files in different folderswith data in same format ( 2000 rows and 7 columns). i want to combine the dat...
etwa 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
getting a NaN in correlation coefficient
Hi, i have a simple problem which unfortunately i am unable to understand. I have matrices and i am trying to calculate correla...
etwa 4 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
Loading multiple images, taking mean of them and subtracting background
Hi, I am new to the field of image analysis. my problem is that i want to load multiple images (lets say 20), take the mean of ...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Displaying matrix of correlation coefficients
Hi, i have a large matrix of correlation coefficients, which i am displaying using imagesc function. It gives me the imageof the...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
plotting sets of data for an nxn matrix, where each element of a matrix is an array
Hi, I have two sets of variables. (a1, a2, ….a10) and (b1, b2, ….b15). I am changing 1st set of variables (a’s from let’s say ± ...
mehr als 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
counting total no of particles in a bin in histogram
Hi, i have a basic problem. I had made a histogram with nbins=100. I want to count the number of particles of that bin which h...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
plotting 2D data with respect to a third property
Hi, i have a data, lets say x and y column vectors, and i want to plot the data ccording toa third property represented by colum...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Normalization of colorbar showing bincounts of binscatter
I am using bin scatter to plot my 2D data. I want to normalize my bin counts from 0-1 in the color bar instaed of absolute numbe...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
reading data from columns of multiple text files
Hi all, my question is a bit basic. I want want to read data of columns and individually store values of each in the form of an...
mehr als 5 Jahre vor | 1 Antwort | 0
1
AntwortFrage
settings values of radio buttons in GUI
hello MATLAB community, is it possible to set values of radio buttons in GUI other than 0 or 1. I have a panel with four options...
mehr als 5 Jahre vor | 3 Antworten | 0
3
AntwortenDear All, I am new to MATLAb GUI and want to create one. My program should work in the following sequence. 1) Select option of polarity from a pop-up menu (total two options are available) 2) load file according to polarity selected 3) execute part
Thank you very much for the clarification.
mehr als 5 Jahre vor | 0
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