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lvn


Last seen: 9 Monate vor Aktiv seit 2013

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Beantwortet
How do I create a logarithmic scale colormap or colorbar?
set(gca,'ColorScale','log') https://nl.mathworks.com/help/matlab/ref/matlab.graphics.axis.axes-properties.html#budumk7-ColorSca...

7 Monate vor | 27

Gelöst


Block average
Given a matrix, calculate the block average of each disjoint sub-matrix of the same size. Assume that the size of the matrix alo...

etwa ein Jahr vor

Gesendet


Conservative regridding
Interpolates/regrids the 1D (interval) or 2D (surface) data onto a finer grid so that the total/average is conserved

fast 3 Jahre vor | 3 Downloads |

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Gelöst


Positive Infinity
Round the array a towards positive infinity

etwa 4 Jahre vor

Gelöst


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

etwa 4 Jahre vor

Beantwortet
How can I recursively process files in subdirectories using MATLAB?
It is high time Matlab updates some of the official answers, as many are outdated. This is an example, as of R2016b, no need fo...

mehr als 4 Jahre vor | 3

Beantwortet
Reducing Density in Geographical Data
You first have to get the indices of which elements are preserved. With those you can construct new elevation, and length vector...

mehr als 4 Jahre vor | 0

Beantwortet
How can I change the colormap for each tab in a tabbed figure?
The code you gave didn't run on my PC because of a problem with viewshed. The following code runs and does not show the problem ...

mehr als 4 Jahre vor | 0

| akzeptiert

Beantwortet
How to change the line width for fplot?
Starting in R2016a, you can specify the 'LineWidth' property the same way you do for plot. For example: >> fplot(x1,[0,2],'k','...

mehr als 5 Jahre vor | 10

| akzeptiert

Gelöst


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mehr als 6 Jahre vor

Frage


Fat and ugly lines in eps export
I have a high resolution map of the world. When I try to export it as an eps with print('-depsc','-painters', '-loose','tes...

mehr als 8 Jahre vor | 0 Antworten | 0

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Antworten

Beantwortet
Ho to plot a pressure map?
Looks to me like you are looking for an interpolation function to move to a finer grid. See here for the 2D version: <http://mat...

mehr als 8 Jahre vor | 0

Frage


How to generate surface preserving probability density function from histogram
I have a histogram with non uniform bins. From this I would like to estimate a smooth probability density function(basically a...

fast 9 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


VPA behavior, workaround requested
Does anybody now a workaround for this behaviour of vpa?: syms a b c c=a+b; a=1; b=1; vpa(c) ans = a + b ...

etwa 9 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Any recommendation how to vectorize this double for loop?
A couple of things: 1. If size(MM(looper,:),1) is independent of looper (as you suggest?), you can simply precalculate it bef...

mehr als 9 Jahre vor | 0

Frage


Symbolic array pre-allocation
Symbolic array pre-allocation only allocates pointers as I understood it from reading the forum. This is causing a major slowdow...

mehr als 9 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Most populated range of floating point numbers in array
histc can be used on a floating point array to find the bin with the largest number of elements. However these bins are fixed, a...

fast 10 Jahre vor | 2 Antworten | 0

2

Antworten

Beantwortet
Elegant way to know in which iteration of for I am
This should do it: if (protocol_ID==1 || protocol_ID==4) && n_runs > N_categories( 1 ) .. elseif (protocol_ID==6 |...

fast 10 Jahre vor | 0

Beantwortet
how to assign the pixel to clusters based on euclidean distance ??
<http://www.mathworks.nl/help/stats/kmeans.html>

fast 10 Jahre vor | 0

Beantwortet
How to solve 3 equations with 3 unknowns using 'for' loop?
I guess you are meant to solve these equations by iteration? Something like this would do x=1;y=1;z=1; for l=1:30 ...

fast 10 Jahre vor | 0

| akzeptiert

Beantwortet
Plot at the same figure
The problem are these lines: figure1 = figure('Color',[0 1 1]); axes1 = axes('Parent',figure1,'FontSize',12,'FontName','...

fast 10 Jahre vor | 0

| akzeptiert

Beantwortet
Problem to add greek chars as ticklabel
It does not seem supported, but there is a work around: <http://www.mathworks.com/matlabcentral/answers/102053-how-can-i-make...

fast 10 Jahre vor | 1

| akzeptiert

Beantwortet
Extra term in "min" function in while loop
I guess it is a remainder of some old code. It can be removed, it does nothing!

etwa 10 Jahre vor | 1

Beantwortet
How to extrapolate data from a matrix of x axis values and corresponding y axis values?
This is for a linear extrapolation: interp1(x,y,4,'linear','extrap') ans = 2.5000e+03

etwa 10 Jahre vor | 0

Beantwortet
How to plot a circle on top of my plotted image
See this answer <http://www.mathworks.com/matlabcentral/answers/98665-how-do-i-plot-a-circle-with-a-given-radius-and-center> ...

etwa 10 Jahre vor | 0

Beantwortet
3D matrix manipulation. FInd values of given positions
This should do it: sum(matrix2(matrix1~=0))

etwa 10 Jahre vor | 0

| akzeptiert

Beantwortet
Input data from one array to another
The main problem with your code was the double for loop. Even if a match was found, for say j=50; it was overwritten in the seco...

etwa 10 Jahre vor | 0

| akzeptiert

Beantwortet
what is the function of 'eval' ?
Eval can be used to run matlab commands which are not known in advance, but only at runtime. In your example eval executes the c...

etwa 10 Jahre vor | 0

| akzeptiert

Beantwortet
getting name of all functions i use in m file (or script)
<http://www.mathworks.nl/help/matlab/matlab_prog/identify-dependencies.html>

etwa 10 Jahre vor | 0

Beantwortet
Matlab Cropping Plots to remove whitespace
On the fileexchange there are a lot of functions out there that can do this for you. I use for instance spaceplots <http://www.m...

etwa 10 Jahre vor | 0

| akzeptiert

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