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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...

5年弱前 | 2

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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...

5年弱前 | 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...

5年弱前 | 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...

5年弱前 | 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...

5年弱前 | 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 ...

5年弱前 | 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...

5年弱前 | 0

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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....

5年弱前 | 0

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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...

5年弱前 | 0

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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...

5年弱前 | 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...

5年弱前 | 0

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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...

5年弱前 | 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...

5年弱前 | 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 ...

5年弱前 | 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...

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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 ...

5年弱前 | 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:...

5年弱前 | 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...

5年弱前 | 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...

5年弱前 | 1

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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...

5年弱前 | 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...

5年弱前 | 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...

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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...

5年弱前 | 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...

5年弱前 | 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...

5年弱前 | 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...

5年弱前 | 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

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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...

5年弱前 | 0

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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...

5年弱前 | 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...

5年弱前 | 2