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How to NOT share variable with nested function?
If you declare function or variable inside nested function it rewrites itself. There is no option for mistake function main a ...

2ヶ月 前 | 0

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Rotate the centre plate in a geometry
You can rotate it using rotation matrix Or you can use rotate()

2ヶ月 前 | 0

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How to create a single gobjects for different plots to avoid using clf
Try this way x = 0:.2:10; y1 = x + nan; y2 = x + nan; h1 = plot(x,y1,'r'); h2 = line(x,y2); for i = 1:length(x) y1(i)...

3ヶ月 前 | 0

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ODE 45 couldn't solve the differential equation.
Try this way psol = []; for k = 1:3 ode_ = @(z,Pp) (-ap + (((sca*nc)-(sac*na))*Tp*Nt(k)*Pp))'; psol = [psol; ode45(o...

3ヶ月 前 | 0

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How can I change the line colour in a geoplot based on data?
Try set h1 = geoplot(..); set(h1,'color','r')

3ヶ月 前 | 0

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Ignoring certain matrix entries with surf plot
Don't use '==' equal sign for comparing double numbers ii = abs(MatrixName-0)<0.1; % precision MatrixName(ii) = NaN;

3ヶ月 前 | 0

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how can i let all number in matrix X between 0~1?
It's called scaling A1 = (A-min(A(:)))/(max(A(:))-min(A(:))) *1;

3ヶ月 前 | 0

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How to place/ define points on a triangulated meshed surface?
How about simple griddata with using initmesh t = 0:.2:5; x = [t; t]; % some data y = [t*0; t*0+3]; ...

3ヶ月 前 | 1

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RK 6 method giving large errors
First of all you should rewrite your code to make more readable. The code is very difficult to to check. Make it as clear as pos...

3ヶ月 前 | 2

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How to 3D plot eight 4x4 matrices to form a cuboid?
What about cylinder? r = sqrt(2); t = linspace(0,2*pi,5)+pi/4; z = [0 0 1 1]; [T,Z] = ndgrid(t,z); [X,Y] = pol2cart(T,r); ...

3ヶ月 前 | 0

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How can I do a spline interpolation with tangent continuity
What about this? I calculated tangent at each point and added points dx = 0.1; % adding points distan...

3ヶ月 前 | 0

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Get the percentage of dark spots
Use first matrix of an image (red channel) A0 = imread('image.png'); A1 = ~im2bw(A0,0.8); % select the stick A2 = A0(:...

3ヶ月 前 | 1

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3D surface reconstruction from 2D image recorded through a prism
Try something like this: % [xw3,yw3,zw3] - 3D positions of white markers % [xw2, yw2] - 2D positions of white markers % [x...

3ヶ月 前 | 0

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How to solve exceed number of array element (1) problem?
Here is the problem. You are redefining the variable inside for loop and it has (1) element again

3ヶ月 前 | 0

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Results are NaN or absurd if a certain parameter changes.
I suggest you to visualize the data in 3D. See how values change each step T = zeros(20); a = 0.04; % consta...

3ヶ月 前 | 0

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How to calculate an area with obtained nodes?
An example of boundary function. polyarea is used to calculate area r = 1; x = linspace(-1,1,20); y = sqrt(r^2 - x.^2); x = ...

3ヶ月 前 | 0

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How to count white pixels in Watershed segmented image?
Here is an example with using bwlabel A = zeros(100); t = linspace(0,2*pi,1000); % a lot of points [x,y] = pol2cart(t,1)...

3ヶ月 前 | 0

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aligning data for fprintf
Here is ax example a = rand(10,1)*1e4; sprintf('a = %7.2f\n',a')

3ヶ月 前 | 0

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Plot a sine wave with decreasing frequency over time
Modify x coordinate x = 0:.1:30; y = sin(x); x1 = x - 10*(x/max(x)).^2; % shift last point 10 units plot(x1,y)

3ヶ月 前 | 0

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Simulate a dot moving in an ellipse
Use pause() t = linspace(0,2*pi,20); x = 5*cos(t); y = 3*sin(t); h = plot(5,0,'.r'); line(x,y) for i = 1:20 set(h,'xd...

3ヶ月 前 | 1

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Estrarre l'intervallo di dati impostando il valore sulla matrice
Use griddata to interpolate the data Use slice to create slices

3ヶ月 前 | 1

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plot 2D matrix data
Use griddata to create matrices

3ヶ月 前 | 0

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Is there anyway to Re-grid one dataset to another dataset resolution without interpolating??
Maybe this A = ones(3,3); B = [A;nan(6,3)]; C = reshape(B,3,[])

3ヶ月 前 | 0

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How can i draw graphene first brillouin zone using matlab?
Here is ax example t = linspace(0,2*pi,7); [x,y] = pol2cart(t,3); surf([x;x],[y;y],[x*0;x*0+1],'facecolor','none') axis equa...

3ヶ月 前 | 0

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Need to access the structure values in numerical form and store it in an array each time the loop runs
Make some modifications An example syms x y sol = solve([5*x-y y-1])

3ヶ月 前 | 1

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How to compare solution of ODE for each time step?
Maybe you are looking for event option. Then just place ode45 insife while loop t0 = 1; while contdition [t,x] = ode45(f,...

3ヶ月 前 | 0

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How to integrate the indices of a vector of doubles?
Sure t = linspace(0,1,12054); S = trapz(t,AT);

3ヶ月 前 | 0

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trying to use integral transform to multiple large arrays but getting an error about array being too large to calculate
Maybe you need just interpolate the data to make the same size % x data with 88000 elements t1 = linspace(1,88000,15001); ...

3ヶ月 前 | 0

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