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Contribute at least one answer each month for 3 consecutive months
Awarded to Bran on 20 Jul 2017
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Awarded to Bran on 20 Jul 2017
Feeds
Question
Deleting repeating numbers from array
I have a very long array of numbers consisting of 0's and 1's and I would like to delete sections where 0 is consecutively repe...
environ 6 ans il y a | 1 réponse | 0
1
réponseQuestion
optimum conditions - fitlm
I have used fitlm to fit a second order model to a set of data: Model = fitlm(X,Y,'y~1 +x1*x2 + x2+x1^2') The plot produces a ...
presque 8 ans il y a | 1 réponse | 0
1
réponseQuestion
plotting information that is above a certain threshold
If I have a dataset and I want to threshold it I use thresh = find(dataset > 100) however, if I want to plot 'thresh' how...
environ 8 ans il y a | 1 réponse | 0
1
réponseQuestion
Hist3 error when displayed
I am turning a scatter plot into a matrix where the number in each 'pixel' is the number of scatter points in that bin I have...
plus de 8 ans il y a | 1 réponse | 0
0
réponseQuestion
Filters - time domain
I would like to use a filter to re-position parts of a signal so that they oscillate around zero. My signal has a mixture of par...
plus de 8 ans il y a | 1 réponse | 0
1
réponseQuestion
Background of a scatter plot
I would like to set the background of an animated scatter plot. At the moment I am animating the plot in the following way: M =...
plus de 8 ans il y a | 1 réponse | 0
1
réponseQuestion
Clustering - different size clusters
I have a pretty large matrix of data which I want to cluster against the first column which can be separated into six clusters /...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Add nice graphics to a MATLAB plot
Hi I am hoping to add some nice graphics to my MATLAB plots in particular I would like to draw an angle between two lines and ad...
environ 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Finding multiple locations in a vector
I was hoping someone could help, I am trying to use the find function to give me the location of the values of a vector in a lar...
environ 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
Percentage agreement between data sets - automate
I am currently trying to automate several processes that I do repeatedly. I have recently gotten the stats toolbox. Is there a f...
environ 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
An efficient way of finding sequential points near zero
I have an signal that oscillates. I am looking for an efficient way to find all values in it that are near to zero. I would only...
plus de 9 ans il y a | 3 réponses | 0
3
réponsesQuestion
Scatter plot- changing symbols based on colour
I have colour coded my scatter points based on one of my vectors. I am using the following code: scatter(X,Y,[],VV,'filled'...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Legend on MATLAB FIGURES
I am exporting my MATLAB figures into PDF format. I have altered the size of the figures but when I do so the legend on my graph...
plus de 9 ans il y a | 3 réponses | 0
3
réponsesQuestion
K-means, nice graphics
I have been carrying out some K-means clustering on my data. I would like to graphically display my findings. I have marked the ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Normalising various time series, best approach
I was wondering what the best approach for comparing several time series (different units). Which approach would be best: I am g...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
A neat way to carry out normalised cross correlation on two singals
0 down vote favorite Is there a neat a fast way of computing the normalised cross correlation of two signals in MATLAB? ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Clustergram - information on the statistics
I have been using the clustergram feature in Matlab on my data in the following way; Cobj2 = clustergram(c,'RowLabels',...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
Increase colour variation in a 2D scatter graph
I am making a scatter graph of my data and am using one column of my data to colour code my points, so I am using the following ...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
ZERO crossing with certain conditions
I am trying to write an algorithm which will look for zero crossings (or in my case crossing across a specific value) in my data...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Using values from a slider
I have a slider and a plot which automatically updates as I move the slider however depending on where I place the sliders I wou...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
GUI sliders that update a plot and create a subsection of data
I am trying to create a GUI with uicontrol with sliders that will go on to section up my dataset depending on where the user set...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Overlay of theoretical CDF onto empirical
I have made a histogram plot of my data using the bar and histc commands; my data is as follows binranges = [ 0 40 70 90 100 24...
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
How to save MAT files into a text file
I have an automated process where by I save my outputs into various MAT files. I wish now to combine these into one text file wi...
plus de 9 ans il y a | 1 réponse | 0
1
réponseQuestion
Ranking a clustergram for one variable
I have a clustergram with many variables (5 to be exact) I am using the CGobj= clustergram function which has been quite sucessf...
presque 10 ans il y a | 1 réponse | 0
0
réponseDimension mismatch - saving output from a for loop
I get the following error from this approach ??? Cell contents assignment to a non-cell array object. Error in ==> M...
presque 10 ans il y a | 0
Question
Problems with my Macro
I am trying to run a function that I have written in MATLAB automatically for twenty five text files that I have. I am using the...
presque 10 ans il y a | 1 réponse | 0
0
réponseQuestion
Dimension mismatch - saving output from a for loop
Just a straight forward question; I am running a basic for loop; TT = length of some vector; for i = 2:TT ...
presque 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
dealing with the offset - cumtrapz
I am using cumtrapz which requires an equally spaced dataset in order to carry out integration. I pick the value closet to zer...
presque 10 ans il y a | 2 réponses | 0
2
réponsesQuestion
Use of filter when using cumtrapz
I have created a perfect sine wave which i am doing various calculations on however when it comes to integrating using cumtrapz ...
presque 10 ans il y a | 1 réponse | 0
0
réponseQuestion
Peaks between harmonics in a signal
I am hoping someone is used to signal processing to explain why I have a problem. I am trying to reconstruct a signal using a fo...
presque 10 ans il y a | 1 réponse | 0
1
réponse
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