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Plot multiple x axes on the bottom of a graph
You should have some good use of a couple of such tools from the file exchange: dual_axes addaxis multiple-y-axes The last t...

3年以上前 | 0

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Integration of system of ODEs fails, unable to meet integration tolerances
After only quickly looking at your problem, it seems to me that you launch the body in a direction into Earth. The first 2 and l...

3年以上前 | 1

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Unrealistic fitting confidence levels in noisy data
This is most likely due to the large number of data-points you have. Compare with the simpler case of the uncertainty of the ave...

3年以上前 | 1

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Using geointerp and los2
If you check the documentation (browse on from the help) you will see this: load topo Create a raster reference object assoc...

3年以上前 | 0

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M_map file with contourf
You might get away by modifying the colormap with the brighten function, perhaps something like: brighten(-0.5) This should ch...

3年以上前 | 0

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How to integrate using trapz function
The variable in X1 seems awfully constant, at 0.0166. The first input to trapz should be the x-coordinate of the points at which...

3年以上前 | 0

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How to convert gray image frame into video frames?
Have a look at the help and documentation for the VideoWriter and writeVideo functions. HTH

3年以上前 | 0

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how to attach a matrix generated in loop below a matrix with same row size generated in previous iteration?
The "natural" interpretation of below to me would be something like this: C = [A;B]; But that only works if the number of colu...

3年以上前 | 0

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How can i fit ODE parameters to given frequency and amplitude data pairs with "lsqcurvefit"?
There are two issues you will have to solve. The first is to convert your second order ODE to two coupled first-order ODEs. The ...

3年以上前 | 0

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Surface plot of scatter data X,Y,Z where unknown data is noise
If you have a good handle on the noise-distribution you could do that. But for plotting purposes I would go for setting missing ...

3年以上前 | 1

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Test if input number is divisible by 3.
Have a look at the help and documentation for while. Also from the question I guess that you're reasonably new to programming. I...

3年以上前 | 1

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Fast fourier tranformer for Time series data
It seems that you're a bit too close to the Nyquist frequency. If you try: [NUM,TXT,RAW]=xlsread('data.xlsx'); dt = mean(diff(...

3年以上前 | 0

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Anisotropic diffusion for a fingerprint image: resolution issues.
You might find that you have more control over the anisotropic diffusion with the cedif or eedif functions from the nonlinear-di...

3年以上前 | 1

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Detect and remove outliers in signals
Be very cautious when changing bad-data-values to some default-value - that will eventually lead to (since we all know that the ...

3年以上前 | 0

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Histogram or bar graph with greater than bin?
Maybe something like this would be good enough/a step on the way: a = 75*randn(2048,1).^2; h = histogram(min(a,260),0:10:260,'...

3年以上前 | 1

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Append to original file name and and save new file to directory?
You should be able to separate the path, name and ext of the full filename using fileparts. That should make it reasonably strai...

3年以上前 | 0

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Linear interpolation using inter1 function in matlab
First you should learn to read the help to the function you struggle with. Do that carefully and you will see that the typical u...

3年以上前 | 0

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Is it possible to generate a sine wave like this? I tried combining 50hz, 100hz and 200hz together but I did not get something like this picture that I provided here.
Yes it is possible. You will have to make the phase-angle match at the frequency transitions (for simplicity make the time-windo...

3年以上前 | 1

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two consequtive cursor's position in a while loop
Just after you have extracted and exported x in your while-loop you now have the next x-previous, so just stack that one away. S...

3年以上前 | 1

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How to build a 3D chart/plot from scattered/raw data?
If you have a dense enough sampling you could use the scatteredInterpolant to get interpolated values at a regular grid and then...

3年以上前 | 0

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Plot deviation of curve as shaded area inside
Have a look at the file exchange. There there are multiple "shaded-error-plots". For example (without ordering of merit): jackk...

3年以上前 | 0

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Solving Linear Systems for Multibody Systems
As best I can interpret your flow-chart it seems that it ought to be "reasonably straightforward" to follow Torsten's advice by ...

3年以上前 | 0

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finding the orthogonal vectors for a series of vectors
This is how I would do it: nVecs = 12 allVecs = randn(nVecs,3); for i1 = size(allVecs,1):-1:1 u_test = randn(1,3); whil...

3年以上前 | 1

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Is there a way to deconvolute this peak, without knowing the convoluting peaks?
You might get some part of the way with deconvblind, from the image processing toolbox, so check the help and documentation to t...

3年以上前 | 0

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Deleting every 2nd element of a cell array.
If you want to delete every odd row you do this: X(1:2:end,:) = []; If you want to delete every even element you do this: X(2...

3年以上前 | 0

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casting without rounding using coder
Well, the only interpretation I can thing of that matches the "casting without rounding" in a sensible way is: ind = int32(...

3年以上前 | 0

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Find minors of a rectangular matrix
As far as I understand this one definition of generating one k-minor from an arbitrary matrix of size n-by-m is to select k rows...

3年以上前 | 0

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How to create a rectangular pulse train of amplitude '1' with user-defined time period?
You should be able to do that with the square function, check its help and documentation. You might need to add 1 and divide by ...

3年以上前 | 0

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Make spectrogram of LFP using chronux package
From the help of that function you will see that the output S should be: 0050 % S (spectrum in form time x frequenc...

3年以上前 | 0

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How to homogeneous two different images into same color after image stitching
You should have some good use for the histogram-matching contributions found on the file exchange. For example: https://se.math...

3年以上前 | 0