Does inpolygon work for latitudes and longitudes on the surface of the earth?
A polygon in lat/lon will NOT map to a "polygon" on the sphere. A "polygon" on the sphere composed by edges that are grand circl...

6ヶ月 前 | 0

Format number in the same format as disp
>> x=logspace(1,3,10) x = 1.0e+03 * 0.0100 0.0167 0.0278 0.0464 0.0774 0.1292 0.2154 0.3594...

6ヶ月 前 | 1

submitWithConfiguration not working in matlab R2019b
The problem is in the statement parts = parts(conf); In MATLAB 2019B, you cannot use the same name of variable and function, b...

6ヶ月 前 | 3

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Getting error: Maximum recursion limit of 500 reached
Don't call name your GUI "GUIDE"

6ヶ月 前 | 0

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How to use cellstr() without losing whitespace character?
Pay attention to the difference between the two last commands >> c1={'1' '12' '123'} c1 = 1×3 cell array {'1'} ...

6ヶ月 前 | 1

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How to get number of occurrence in a list with gaps?
(EDIT for R2016a, not supported for strings.) % dummy test data d={'1/1/2019' '1/1/2019' '2/1/2019' '4/1/2019' '4/1/2019' ...

6ヶ月 前 | 0

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I keep getting a 'parse error' at '='
Test wth "==" if (y==0)

6ヶ月 前 | 0

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Regular expression to match "="
In try to find a simple pattern p to match a single '=' but ignore '==' in a string So I want regexp('a = b', p) to return 3 ...

6ヶ月 前 | 1 件の回答 | 0

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Creating vectors with components
r=[3 2 7 5 2] r(1:min(5,end)).^2.' or r(1:min(5,end)).'.^2

6ヶ月 前 | 0

Find two ways to create a 3 x 5 matrix with all values equal to 100 (Hint: use ones and zeros).
(Not sure why an answered has been deleted) Method 1 100 + zeros(3,5) Method 2 100 * ones(3,5)

6ヶ月 前 | 0

3D surface plot (mode shape)
No MESHGRID calls are needed since your data are already gridded surf(x,y,R16) and surf(x,y,R109)

6ヶ月 前 | 0

How to do forward, backward and central difference
You forget to divide the differences by the time step (dt) dt = 0.02 for j=1:101 xb=-1+(j-1)*dt; xbb=-1+(j-2)*dt; ...

6ヶ月 前 | 1

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How to generate random matrix from another one?
A is your input matrix Ashuffle = reshape(A(randperm(numel(A))),size(A))

6ヶ月 前 | 0

Specific pseudo-randomised number generator.
n = 2*ones(2,50); for k=1:2 p=randperm(50,32); % you might randomize 32 as well (must be even number in [0,50]); n(k,...

6ヶ月 前 | 1

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How to create an n by n wilkinson matrix using diag
n = 10; W = spdiags([n:-1:1; n*ones(1,n)]',[0 1],n,n);

6ヶ月 前 | 0

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Using ALLCOMB for unknown number of vectors
Create a CELL array, and get rid of the method of naming your variables with number 1,2,.... C = {A1, A2, A3, ..., AN} B = all...

7ヶ月 前 | 3

Check if a set of coordinates are on a line
xy=[x(:)';y(:)']; criteriatol = 0.01; % adjust to your need, smaller means stricter line test s = svd(xy-mean(xy,2)); islin...

7ヶ月 前 | 1

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Convolution of two log normal distributions
LOGNORMAL is defined on (0,Inf) not (-Inf,Inf) P = integral2(fun,0,t - 'x',0,inf,'RelTol',1e-12,'AbsTol',1e-12) returns correc...

7ヶ月 前 | 0

find a column vector such that the determinant of a matrix A is non-zero?
A8 = [1 0 0 0 0 0 1 0; 0 1 0 0 0 0 0 1; 0 0 1 0 0 0 1 0; 0 0 0 1 0 0 0 1 ; 0 0 0 0 1 0 1 0; 0 0 0 0 0 1 0 1] ij=nchoosek...

7ヶ月 前 | 0

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Divide an array in n different arrays
V = [1 1 1 1 1 1 6 6 6 6 6 6 6 6 6 3 3 3 3 3 3 3 5 5 5 5 5 5 5 8 8 8 8 8 8 8 8 8 9 9 9 9 9 9 9 9 9 4 4 4 4 4 4 4 4 4 4 2 2 2 2 2...

7ヶ月 前 | 0

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How to fill interior as different color
Fill the hole with imfill Next you can color your integer image by defining the appropriate colormap % Generate test image con...

7ヶ月 前 | 1

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How to do a matrix like this??
(1:10).^((1:3)') or on older MATLAB bsxfun(@power,1:10,(1:3)')

7ヶ月 前 | 0

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Linear programming, interested in only 1 variable
If you want to minimize x1 under A*x <= b f = zeros(size(x)); f(1) = 1; x = linprog(f, A, b); (x2,...,xn) is not meaningless...

7ヶ月 前 | 2

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What is the difference between using conv function and manual coding method using MATLAB?

7ヶ月 前 | 0

Find the cell index in a nested cell array, corresponding to a string (by using strcmp)
A{1} = { ... {'Up' } {'Down' } {'Left' } {'Right'} {'BLUE'} {'1' } {'7' } {'1' } {'8' } ...

7ヶ月 前 | 1

How can I find the vector from two points in 3D?
B-A

7ヶ月 前 | 0

Binary floating point Representation in Matlab
To overcome the limitation of dec2bin at 52 bits A=[ 0.1900 -0.0300 -0.1300 0 0.1500 -0.0700 0.0500 0.1600 -0.2500 -0.1900]...

7ヶ月 前 | 1

1d Convolution using Matlab's conv() function
Ba Ba Black Sheep wrote len(pad) = floor(len(v) / 2) Actually the above is wrong, In case CONV using with of 'same' option, t...

7ヶ月 前 | 0

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Convolution Computations results for a system response.
You make few mistakes, indexing and flipping (see careful conv documentation, the subtility is there, though TMW never mention w...

7ヶ月 前 | 0

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Find Common elements between any two columns in each matrix
Not sure but keyNeuronMat1(1:10,1:4) & keyNeuronMat2(1:10,5:8) Give you common neurons/groups.

7ヶ月 前 | 0

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