Answered

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...

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...

3 months ago | 0

Answered

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 ...

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 ...

3 months ago | 0

| accepted

Answered

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','...

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','...

1 year ago | 10

| accepted

Answered

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...

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...

1 year ago | 12

Solved

Determine if input is odd

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

2 years 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...

4 years ago | 0 answers | 0

Answered

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...

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...

4 years 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...

4 years ago | 1 answer | 0

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 ...

4 years ago | 1 answer | 0

Answered

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...

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...

5 years 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...

5 years ago | 1 answer | 0

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...

5 years ago | 2 answers | 0

Answered

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 |...

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 |...

5 years ago | 0

Answered

how to assign the pixel to clusters based on euclidean distance ??

<http://www.mathworks.nl/help/stats/kmeans.html>

how to assign the pixel to clusters based on euclidean distance ??

<http://www.mathworks.nl/help/stats/kmeans.html>

5 years ago | 0

Answered

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 ...

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 ...

5 years ago | 0

| accepted

Answered

Plot at the same figure

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

Plot at the same figure

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

5 years ago | 0

| accepted

Answered

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...

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...

5 years ago | 1

| accepted

Answered

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!

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!

5 years ago | 1

Answered

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

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

5 years ago | 0

Answered

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> ...

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> ...

5 years ago | 0

Answered

3D matrix manipulation. FInd values of given positions

This should do it: sum(matrix2(matrix1~=0))

3D matrix manipulation. FInd values of given positions

This should do it: sum(matrix2(matrix1~=0))

5 years ago | 0

| accepted

Answered

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...

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...

5 years ago | 0

| accepted

Answered

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...

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...

5 years ago | 0

| accepted

Answered

getting name of all functions i use in m file (or script)

<http://www.mathworks.nl/help/matlab/matlab_prog/identify-dependencies.html>

getting name of all functions i use in m file (or script)

<http://www.mathworks.nl/help/matlab/matlab_prog/identify-dependencies.html>

5 years ago | 0

Answered

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...

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...

5 years ago | 0

| accepted

Answered

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...

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...

5 years ago | 0

Answered

Creating a new variable in a loop automatically. Please help!

You can use the eval function to create such variables. However this practice is not recommended and can almost always be circum...

Creating a new variable in a loop automatically. Please help!

You can use the eval function to create such variables. However this practice is not recommended and can almost always be circum...

5 years ago | 0

| accepted

Answered

Several vectors as inputs to function

It all depends whether your function BSCall supports vector input. If it does, then just Values=BSCall(S,K,T,v,r) with ...

Several vectors as inputs to function

It all depends whether your function BSCall supports vector input. If it does, then just Values=BSCall(S,K,T,v,r) with ...

6 years ago | 0

Answered

How can I substitute values in a matrix if they equal a certain value?

I hope this is what you mean: newmatrix=X1; newmatrix(X1==255)=X2(X1==255);

How can I substitute values in a matrix if they equal a certain value?

I hope this is what you mean: newmatrix=X1; newmatrix(X1==255)=X2(X1==255);

6 years ago | 0

Answered

How to sort rows of a 2D array, such that all elements along a diagonal are non-zero?

For reference, here is a solution using the backtracking. The main algorithm part is around 20 lines. This is the initial s...

How to sort rows of a 2D array, such that all elements along a diagonal are non-zero?

For reference, here is a solution using the backtracking. The main algorithm part is around 20 lines. This is the initial s...

6 years ago | 1