Answered
How to delete the last subplot?
The ha variable will be handles to the different subplot axes. To delete one subplot you simply do: idx2kill = 15; delete(ha(i...

4 years ago | 2

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Answered
Divergence, curl and potential function of 2D vector fields
Ok, if this is only a question abut whether the vector-field is conservative then it is a physics/vector-calculus "home-work" qu...

4 years ago | 0

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Issues in plotting two graphs in the same plot with hold on function
In the screenshot matlab creates a new figure and makes the second plot in that figure, in the second you don't create the secon...

4 years ago | 0

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How to match voronoi area to it's point
The way I interpret your question each point [xroi,yroi] will be inside one Voronoi-cell (though my QD-tests leave a couple of e...

4 years ago | 0

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Nested for loop not working
You seem to have two for-loops with kk as index. That is not going to work in any robust way. For clarity I've learnt that to av...

4 years ago | 0

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Merging different color channels
Sure, they are after all nothing but 2-D arrays representing different aspects of an image. Just combine them any which way you ...

4 years ago | 1

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How to use scandinavian letters in text() when using latex as interpreter?
This at least displays the characters in the figure on screen (I've had varying successes printing to file): text(.25,.25,'$\te...

4 years ago | 0

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Answered
Does anyone know how to create colors?
Colours can be specified by rgb-values in a 1-by-3 array with values between zero and one. So for example: light_blue = [0.5 0....

4 years ago | 0

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Answered
How can I solve this type of integration?
This seems like a natural case for a for-loop. Something like this: your_sum_of_integrals = 0; for j1 = 1:100 your_sum_of_i...

4 years ago | 0

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Answered
Create an image (pixels) circle with slices (not from the center) and paint each slice a different color
(The background image looked rather nice if you ask me...) If you want to find those wedge-shaped regions I think inpolygon woul...

4 years ago | 0

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How to do Double integral with two function handle.
Should look something like this: fun = integral2(@(theta,omega1) temp1(theta,omega1).*cos(omega1.*a1.*sin(theta)),0,2.*pi,0,inf...

4 years ago | 0

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Answered
Locate points on a line graph of an image
For that type of task I occasionally use grabit - which is a very useful tool. Automatic detection is also possible but more oft...

4 years ago | 0

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Titles of Subplot which re depend on Multiselect File Title
You have a simple bug - both your for-loops uses the same loop-variable, k. That's the cause of your problem. My method to avoid...

4 years ago | 0

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Performing multiple Operating system commands in a loop
What I typically do in situations like these is to create a "cmd_string" and then first run the loop (or a shorter loop in case ...

4 years ago | 0

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How to split an image into several curved shape small images?
You should be able to do that with interp2, you just have to select the coordinates of your curved regions to use for interpolat...

4 years ago | 0

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Unable to meet integration tolerances
You might get enough control of ode15s by telling it to keep the solutions nonegative, try setting the "NonNegative" field to a ...

4 years ago | 0

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I want to take modulus of complex number in polar coordinates in matlab .
The only definition of modulus of a complex number I can find is what is done with the abs-function. In that case you simlpy do:...

4 years ago | 0

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How to make a colorbar with single color with varying intensity?
Perhaps the ice colormap from cmocean-perceptually-uniform-colormaps (or parts of that one or modifications of any oth the other...

4 years ago | 0

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I need to plot the equal width of colorbar like attached image . exampel [0 1 2 4 8 16 32] in all interval width of the colorbar should be same.
There are several tools for that on the file exchange. This for example seems to contain the feature you're looking for: non-uni...

4 years ago | 1

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Answered
Warning: Integer operands are required for colon operator when used as index. How can I rectify this?
Make sure that your variable f_size is an integer, perhaps something like this solves your problem: f_size = round(f_d*fs);% ce...

4 years ago | 0

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How to make a function recursive in a specific position?
You should have a good look at the functional-programming-constructs toolbox on the file exchange - it shows an example of how t...

4 years ago | 0

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2D circular interpolation (theta, phi) angles
Simply concatenate the Z-values for columns and rows corresponding to theta and phi equal 0 and 1 at the end of Z and extend the...

4 years ago | 0

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Plot Three Variables with Three separate Y axis
You might use the plotyyy function from the matlab file excange to do just that. Or any of the other functions that show up when...

4 years ago | 1

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My legend does not display the right colours. Can anyone help with this?
To gain complete control over your legending use the plot-handles that plot returns. Something like this: figure(13) ph1 = plo...

4 years ago | 1

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how can i make subplots larger without manually stretching them ?
For figures like this I find it important to remove the xlabel-text except along the bottom row - this saves valuable real-estat...

4 years ago | 0

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angles to arrows representation
Arrow in 2-D: r_from_origin = l*[cos(theta),sin(theta)]; Arrow in 3-D: r_from_origin = l*[cos(phi)*sin(theta),sin(phi)*sin(th...

4 years ago | 0

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Solving First order ODE with constant coefficient
Should be as simple as: sym y(t) Also: isn't direct use of dsolve enough for you? HTH

4 years ago | 0

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Spectrogram of Audio Signal
Have a look at the help and documentation of the spectrogram function. That allows you to calculate the spectrogram as such: [S...

4 years ago | 0

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Answered
How can i calculate PDF and CDF of non-parametric distribution?
You get some start towards estimates of the PDF/CDF from histogram and ksdensity. See the help and documentation to those functi...

4 years ago | 1

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3Dplot suggestions on azimuthal data
You seem to have your x and y-coordinate values along the first row and column of the data. If so: x = test(1,2:end); y = test...

4 years ago | 2