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# lvn

##### Last seen: 25 giorni ago
52 total contributions since 2013

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Positive Infinity
Round the array a towards positive infinity

12 mesi ago

Solved

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...

12 mesi ago

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It is high time Matlab updates some of the official answers, as many are outdated.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...

circa un anno ago | 0

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...

oltre un anno ago | 0

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 ...

oltre un anno ago | 0

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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','...

oltre 2 anni ago | 10

| accepted

How do I create a logarithmic scale colormap or colorbar?
Strange official answer, since it is clearly possible in Matlab: set(gca,'ColorScale','log') <https://nl.mathworks.com/h...

circa 3 anni ago | 22

| accepted

Solved

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

circa 3 anni ago

Question

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...

circa 5 anni ago | 0 answers | 0

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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...

circa 5 anni ago | 0

Question

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...

circa 6 anni ago | 1 answer | 0

### 1

Question

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 ...

circa 6 anni ago | 1 answer | 0

### 1

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...

oltre 6 anni ago | 0

Question

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...

oltre 6 anni ago | 1 answer | 0

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Question

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...

oltre 6 anni ago | 2 answers | 0

### 2

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 |...

circa 7 anni ago | 0

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

circa 7 anni ago | 0

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 ...

circa 7 anni ago | 0

| accepted

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

circa 7 anni ago | 0

| accepted

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...

circa 7 anni ago | 1

| accepted

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!

circa 7 anni ago | 1

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

circa 7 anni ago | 0

How to plot a circle on top of my plotted image

circa 7 anni ago | 0

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

circa 7 anni ago | 0

| accepted

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...

circa 7 anni ago | 0

| accepted

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...

circa 7 anni ago | 0

| accepted

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

circa 7 anni ago | 0

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...

circa 7 anni ago | 0

| accepted

how to make spatial plot using hdf5-1.8.8 data in matlab R2009b?
It looks like 'temp' is not the right variable to use here and is used for calibration purposes. From the manual <http://122.2...

circa 7 anni ago | 0