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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...

4 Monate vor | 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...

5 Monate vor | 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...

5 Monate vor | 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(...

5 Monate vor | 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...

5 Monate vor | 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 ...

5 Monate vor | 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...

5 Monate vor | 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...

5 Monate vor | 0

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Create a cell array containing the first 3 doubles from another cell array
Would: ThreeFirst = cell2mat(CCC(1:3)); do the trick?

5 Monate vor | 1

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Finding Maximum Consecutive Dry Days in Daily Rainfall Data
Don't do it with loops, that is a lot of work. Use the vectorized functions to your advantage. Here's how to get at it with usin...

5 Monate vor | 0

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How to make 2D matrix from 3D matrix to solve 2D nonlinear system?
For the interior of your grid you can rather easily calculate the Laplacian operator something like this: NperSide = 50; [x,y,...

5 Monate vor | 0

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operating Matlab via Ubuntu terminal
It should be possible to do things like this from any standard unix-terminal: \$ matlab -nodesktop -nosplash -r YOUR-SCRIPT You...

5 Monate vor | 0

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Value dash outside a 2D plot
You can do this: set(gca,'TickDir','out') HTH

5 Monate vor | 0

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Creating a graph with error bars
You can use the errorbar function for plots like this. Check the help and documentation for that function. If that function does...

5 Monate vor | 0

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How to extract values within a circular region from a griddata?
You "simply" only ask for the values inside that circular region. You can do it at least two different ways: N = 100; xv = lin...

5 Monate vor | 0

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2 equations, 2 unknowns - fminsearch(), fminunc() applied on numerical data
From your description you have 800-by-1300 linear equations of the type: a + x = b + y and you want to solve for both x and y....

5 Monate vor | 0

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Local variance estimation for image filtering
You get that result because medfilt2 will select the median value of the pixel-intensities of your region, and completely discar...

6 Monate vor | 0

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How to read the coordinated from the plot in MATLAB 2018 version?
If you make a simple graph: ph = plot(X,Y); Then you can always extract the data-points from the plot-handle ph: xGraph = get...

6 Monate vor | 0

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How to calculate the L2 (Euclidean) and L1 (cityblock, or we say Manhattan distance) distance based on longitude and latitude?
It seems to me that there is no obvious good definition of a Manhattan-distance on a spherical surface (even less so on a geoid)...

6 Monate vor | 0

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Colorbars belonging to more than one subplot/axis
perhaps something like this: figure(1) cx_12 = [min(min(var1(:)),min(var2(:))),max(max(var1(:)),max(var2(:)))]; cx_34 = [min(...

6 Monate vor | 0

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Processing large matrix faster
This ought to be done in one go: coods = M(:,M(:,3)<-80); In the case you cannot do it in a vectorized way and cannot determ...

6 Monate vor | 0

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From char to double for plotting
First you should store the data-sets in some kind of array. For the most tolerant storage (that doesn't care about different dim...

6 Monate vor | 1

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Find 2D intersection in lat lon between curve (rivers) and satellite traces (2D polygon) on a map
If you have a single-pass of the satellite you could check what "river-points" are inside the ground-track with the inpolygon fu...

6 Monate vor | 0

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Is there a way in MATLAB to guess the values of a matrix just like in the EES software?
You can easily initialize your variable to a fixed-valued array: a = 17; t = 16.05*ones([1,round(a)]); If you want a function...

6 Monate vor | 0

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Mass of a wire in shape of helix
The symbolic tools make the default interpretation that all variables are complex. Therefore it cannot make that simplification....

6 Monate vor | 0

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Diagnose Infeasibility of Simple 3-DoF Trajectory Optimization
Why not write the equation of motion component-by-component instead: function dydtd2ydt2 = dfu(~,y) g = 9.81; dydtd2ydt2 = ze...

6 Monate vor | 0

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Create a surface with separate contours from other plots
Just concatenate all your n-by-3 data into a large many-by-3 array and then check up the help and documentation of scatteredInte...

6 Monate vor | 0

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How can I find rank of matrix?
First use pen (pencil) and paper to rewrite your equations into a normal matrix-form: Where M is a 4-by-4 matrix x is an arra...

6 Monate vor | 1

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how to solve 3dof point mass equations of motion of flight vehicle
A three-degrees-of-freedom dynamic system in three spatial coordinates doesn't have yaw and pitch degrees of freedom. It is effe...

6 Monate vor | 0

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Finding intersection between two 3D lines
You can do this rather automatic with geometry and linear algebra if you write your the positions and along lines as: If a...

6 Monate vor | 0