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Kostas


Aristotle University of Thessaloniki

Last seen: mehr als 2 Jahre vor Aktiv seit 2011

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Beantwortet
how to make a heatmap for a monthly time serie?
Based on the heatmap documentation tbl = readtable('heatmap.test.xlsx'); months = categorical(tbl.Var2); years = categorical(...

etwa 6 Jahre vor | 1

| akzeptiert

Beantwortet
plot graph and bar on same figure with 2 x-asis and 2 y-axis with different scales
You need to create a second axis to plot your line. See this example Try something like the following % Create the data x1...

fast 7 Jahre vor | 1

Frage


How to preserve colors in histogram2
Hello all, i try to plot 5 datasets using histogram2 and hold on. I realize that the colors are not preserved (colors not showi...

etwa 7 Jahre vor | 0 Antworten | 0

0

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Frage


Calculate difference from a time series
Hello all, i would appreciate your help to solve the following issue (avoiding unnecessary loops if possible). I have a time s...

mehr als 10 Jahre vor | 2 Antworten | 0

2

Antworten

Beantwortet
Select areas of plot
u can find the latitudes you want to plot and plot just them id1 = find(lat>=0&lat<=50); % make the plot plot(lat(id1...

fast 11 Jahre vor | 0

Beantwortet
Extract data given coordinates from a map
I assume your data is a matrix of the form data(lat,lon,time) with dimension of the latitude, longitude and time. So you...

fast 11 Jahre vor | 0

Frage


How to make a plot
Hello i need your help to make a plot like the attached one. i have my data in separated vectors, i.e. x y and z <</ma...

fast 11 Jahre vor | 2 Antworten | 0

2

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Frage


Error in script Subscript indices must either be real positive integers or logicals.
I am trying to calculate the mean, max and min values from an array under some condition and at some specific case i get a very ...

etwa 11 Jahre vor | 2 Antworten | 1

2

Antworten

Beantwortet
Add world map background to contour plot
If you had the Map toolbox, that would be quite easy to make it. Now i would suggest you to google for the M_Map: A mapping pack...

fast 13 Jahre vor | 0

Frage


Plot a contour map with statistical significance
Hello, i want to make a contour map and overlay the statistical significance (actually is a matrix of 0 and 1 with the same size...

etwa 13 Jahre vor | 0 Antworten | 0

0

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get numeric data from comma delimitted file
Hello i am reading a file and when i find some specific characters i want to get from that line some numbers. My problem is that...

mehr als 13 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Plot inside a for loop
well, it is like that because you don't create the x vector,it is just a value. You could try one of the both x=0:1:250; %c...

fast 14 Jahre vor | 0

| akzeptiert

Beantwortet
Correlation Coefficient, RMSE
Maybe you can find help in this topic http://www.mathworks.com/matlabcentral/fileexchange/22020-goodness-of-fit-modified

fast 14 Jahre vor | 0

Beantwortet
Help with patch
Thanks for your answers, i have made the proposed alterations but i still get the same result, as can be seen in the following i...

fast 14 Jahre vor | 0

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Help with patch
Hello, i need your help to understand how patch works. I have made a 2D plot in matlab and i would like to add some patches to i...

fast 14 Jahre vor | 2 Antworten | 0

2

Antworten

Beantwortet
Calculate mean monthly from daily values
maybe smt like this could work suppose you have a matrix called data(22281,5) months are stored in second column for i=...

fast 14 Jahre vor | 0

Beantwortet
Plot multiple data sets in the same chart in which one set is plotted on another axes
Maybe this function from file exchange could help you http://www.mathworks.com/matlabcentral/fileexchange/1017-plotyyy

fast 14 Jahre vor | 0

Frage


create a figure with box on and x-ytick off
Hello i would like to create a graph with box on but i 'd like to remove the x-ticks from upper x-axis and y-ticks from right y-...

etwa 14 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
percent residual
You could save your fitting values to workspace, using cftool choose analysis and there select the option evaluate fit at Xi (in...

etwa 14 Jahre vor | 0

| akzeptiert

Frage


Help on code optimization
I have two matrices A (519840x5) and B (319966x5). Columns 2 to 4 for both contain "day of the year (format: 1-366) ", "hour (fo...

etwa 14 Jahre vor | 2 Antworten | 0

2

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Beantwortet
Change the name of array in each iteration
Thanks, it seems so simple i just change this part C = cell(11,1); for yy=2000:2010 ii=yy-1999; ..... C{ii}=[yr...

etwa 14 Jahre vor | 0

Frage


Change the name of array in each iteration
I would like to group together in a Matrix some data for each year. For example for year 2000 i would like to create the Matrix ...

etwa 14 Jahre vor | 2 Antworten | 0

2

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Beantwortet
The size of the indicated variable
Is there any chance the variable secs to have such a little value that it is always litter than "toc"? In such a case your code ...

etwa 14 Jahre vor | 0

Beantwortet
Matlab 7 for Engineers
i think this topic in file exchange is what you need <http://www.mathworks.com/matlabcentral/fileexchange/11870-numerical-der...

etwa 14 Jahre vor | 0

Beantwortet
Filtering the data according to the time stamp
Sure not the most "efficient" solution but could work smt like that k=0; for i=0:3 % loop over the seconds id=find(A(:...

etwa 14 Jahre vor | 0

Frage


Need help to specify unique values of a vector
I am using the unique command to specify the unique values of a vector that i read from different files. While it works ok ...

etwa 14 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
plotyyy
Maybe it would be useful for you something like the addaxis in the fileExchange http://www.mathworks.com/matlabcentral/fileex...

etwa 14 Jahre vor | 2

| akzeptiert

Frage


Help on speed optimization of convolution code
I want to calculate the convoluted value of a quantity based on the relationship c(x) = integral (crs(x')*abs(x')dx') / integ...

mehr als 14 Jahre vor | 2 Antworten | 0

2

Antworten