photo

Kostas


Aristotle University of Thessaloniki

Last seen: 12 maanden ago |  Active since 2011

Followers: 0   Following: 0

Message

Statistics

All
  • 6 Month Streak
  • Thankful Level 3
  • Knowledgeable Level 2
  • First Answer
  • Solver

View badges

Feeds

View by

Answered
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(...

meer dan 4 jaar ago | 1

| accepted

Answered
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...

meer dan 5 jaar ago | 1

Question


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...

meer dan 5 jaar ago | 0 answers | 0

0

answers

Question


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...

ongeveer 9 jaar ago | 2 answers | 0

2

answers

Answered
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...

meer dan 9 jaar ago | 0

Answered
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...

meer dan 9 jaar ago | 0

Question


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...

meer dan 9 jaar ago | 2 answers | 0

2

answers

Question


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 ...

meer dan 9 jaar ago | 2 answers | 1

2

answers

Answered
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...

meer dan 11 jaar ago | 0

Question


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...

meer dan 11 jaar ago | 0 answers | 0

0

answers

Question


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...

ongeveer 12 jaar ago | 1 answer | 0

1

answer

Answered
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...

meer dan 12 jaar ago | 0

| accepted

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

meer dan 12 jaar ago | 0

Answered
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...

meer dan 12 jaar ago | 0

Question


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...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Answered
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=...

meer dan 12 jaar ago | 0

Answered
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

meer dan 12 jaar ago | 0

Question


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-...

meer dan 12 jaar ago | 1 answer | 0

1

answer

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

meer dan 12 jaar ago | 0

| accepted

Question


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...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Answered
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...

meer dan 12 jaar ago | 0

Question


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 ...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Answered
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 ...

meer dan 12 jaar ago | 0

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

meer dan 12 jaar ago | 0

Answered
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(:...

meer dan 12 jaar ago | 0

Question


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 ...

meer dan 12 jaar ago | 1 answer | 0

1

answer

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

meer dan 12 jaar ago | 2

| accepted

Question


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...

ongeveer 13 jaar ago | 2 answers | 0

2

answers