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Bran


Last seen: 4 years ago Active since 2012

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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...

5 years ago | 1 answer | 0

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Question


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 ...

7 years ago | 1 answer | 0

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Question


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...

7 years ago | 1 answer | 0

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Question


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...

7 years ago | 0 answers | 0

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answers

Question


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...

7 years ago | 1 answer | 0

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Question


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 =...

7 years ago | 1 answer | 0

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Question


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 /...

8 years ago | 1 answer | 0

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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...

8 years ago | 0 answers | 0

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answers

Question


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...

8 years ago | 2 answers | 0

2

answers

Question


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...

8 years ago | 2 answers | 0

2

answers

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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...

8 years ago | 3 answers | 0

3

answers

Question


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'...

8 years ago | 1 answer | 0

1

answer

Question


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...

8 years ago | 3 answers | 0

3

answers

Question


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 ...

8 years ago | 1 answer | 0

1

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Question


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...

8 years ago | 0 answers | 0

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Question


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? ...

9 years ago | 1 answer | 0

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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',...

9 years ago | 0 answers | 0

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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 ...

9 years ago | 1 answer | 0

1

answer

Question


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...

9 years ago | 1 answer | 0

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Question


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...

9 years ago | 0 answers | 0

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answers

Question


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...

9 years ago | 1 answer | 0

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Question


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...

9 years ago | 0 answers | 0

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answers

Question


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...

9 years ago | 1 answer | 0

1

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Question


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...

9 years ago | 0 answers | 0

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Answered
Dimension 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...

9 years ago | 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...

9 years ago | 0 answers | 0

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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 ...

9 years ago | 2 answers | 0

2

answers

Question


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...

9 years ago | 2 answers | 0

2

answers

Question


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 ...

9 years ago | 0 answers | 0

0

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Question


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...

9 years ago | 1 answer | 0

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