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darova


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858 2019 이후 총 참여 횟수

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Applying different equations to sections of a column using a for loop
What about for loop? for i = 1:300 if i <= 100 y(i) = a1*x(i)+b1(1); elseif i <= 200 y(i) = a2*x(i)...

약 4시간 전 | 0

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Make white portions of slice of flow data transparent
An example of how to make some faces transparent [X,Y] = meshgrid(-10:10); % generate mesh Z = -X.^2-Y.^2; ...

약 4시간 전 | 0

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calculating and writing sorted results in matlab
Can I use the command dlmwrite with some parameters? Yes you can. example M = [1 2 3; 4 3 2]; dlmwrite('myFile.txt',M,'delim...

약 5시간 전 | 0

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solving 4 equation with 4 unkowns
It's because of the way you concantenate your equations Example of two different declarations [1 - 2] ans = -1 [1 -2] ...

약 6시간 전 | 0

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Tight surface meshing of 3D points
I just looped through all edges and calculated length clc,clear load points.mat ii = 1:50:size(a,1); % i reduced size of...

약 9시간 전 | 0

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Function returns a vector of length 6, but the length of initial conditions vector is 34. The vector returned by ICEMODELFUNC and the initial conditions vector must have the same number of elements.
You want several solution for thetaRAD So just put your ode45 function inside for loop tspan = t0:tdelta:tf; for i = 1:length...

약 10시간 전 | 0

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How created a graph from unordered node list?
Try this x = x(:); y = y(:); plot([x(source) x(target)],[y(source) y(tagrget)]) or patch function fv.vertices = [x(:) y(:)]...

약 12시간 전 | 0

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How can I get velocity values for stream3 function
A short example clc,clear cla load wind [sx sy sz] = meshgrid(80,20:10:50,0:5:15); h = streamline(stream3(x,y,z,u,v,w,sx,sy...

약 12시간 전 | 0

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Rotating projectile curve about y-axis
You can create a mesh in polar system of coordinates Assuming t = linspace(0,2*pi,30); % angle r = x; ...

약 12시간 전 | 0

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Plotting a sphere consisting of planes
Use patch for this problem % create data of format % Ax Ay Az % Ax Ay Az % ... % Bx By Bz % Bx By Bz % ... % Cx Cy Cz %...

약 12시간 전 | 0

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tracking object in a video
if these [X_barycentre, Y_barycentre] are coordinates of a center Use imcrop to crop the image h = 50; % side of recta...

약 13시간 전 | 0

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What does the output of stlread function represent?
Please see

약 13시간 전 | 0

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I have an .avi file, I want to convert it to matrix format.
Use VideoReader v = VideoReader('xylophone.mp4'); numFrames = v.NumberOfFrames; for i = 1:numFrames I = read(v,i); ...

약 13시간 전 | 0

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Second derivative from a smoothing spline fit
Here you go n = 50; x = linspace(0,10,n); y = sin(x).*x; d2y = diff(y,2)./(x(2)-x(1))/2; % second derivative ix = ...

1일 전 | 0

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How to draw a 2D histogram from a time series?
My proposition A = importdata('temp_data.csv',','); temp = A.data; time = A.textdata; time(:,2) = []; time(1) = []; ...

2일 전 | 0

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Seperating labeled array areas using contourf
You want x,y coordinates of boundaries? Or what kind of format it should be? clc,clear load areas.mat I = (image_array); lev...

3일 전 | 0

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repeat the iteration with an error using try/catch
My proposition for iTcm=1:nTcm for iScen=1:nScen iEv = 0; while iEv <= nEv iEv = iEv + 1...

3일 전 | 0

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cropping a serie of images and save only the cropped part of it
Tri this (not tested) dirName = uigetdir('./', 'Select data folder'); cd(dirName); fname = sprintf('SI380820191011130728_%03...

3일 전 | 0

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2D plot to 3D Graph
I made a simple example for you x = 0:10; y = sin(x)+2; t = linspace(0,2*pi,30); [T,Y] = meshgrid(t,y); [~,X] = meshgrid(t,...

4일 전 | 0

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답변 있음
ode does not converge
I tried tt = [0 1]; options=odeset('RelTol',1e-3,'AbsTol',1e-3);

4일 전 | 0

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I need to get counterlines outside the U.S. removed (Ocean/Canada/Mexico)! Se script below.
Use handler options % Call contourm [~,h] = contourm(LatGrid, LonGrid, OzoneGrid); h1 = get(h,'children'); % for ...

4일 전 | 0

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Legend of a patch-object with a line in the center
What about this? Too complicated? No? clc,clear cla [X,Y,Z] = peaks(5); p = surf2patch(X,Y,Z); p1 = patch(p,'facecolor','g'...

4일 전 | 0

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답변 있음
how to plot an image and a logical matrix on same plot
Try this ind = mask > 0.8; img(ind) = max(img(:)); imshow(img)

4일 전 | 0

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How to create an animation by choosing rows in a matrix to switch with time. Truss simulation
Here is my achievement: i just scaled colors while moving

4일 전 | 0

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Finding odd and even values without functions
What about dividing? while 1 a = a/2; if abs(a-1) < 0.01 % if very close to '1' disp('even') ...

4일 전 | 0

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Adjusting the transparency of a contour plot using a gradient of alpha values
Here is my today achievement clc,clear opengl software n = 1000; [X,Y,Z] = peaks(20); % surf(X,Y,Z,'facecolor','none') hol...

4일 전 | 0

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Subplot titles on each column.
What about brute force? clc,clear clf subplot 121 plot(0,0) subplot 122 plot(1,1) h1 = annotation('textbox',[0.25 0.95 0....

4일 전 | 0

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I want the points that located in a certain polygon
You use different order of lan/lot. Change places in red squares

5일 전 | 1

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How do I remove all fields of a structure that have at least one NaN?
Try rmfield a = [1 nan 3]; bb = [1 2 3]; S.a = a; S.bb = bb; S nms = fieldnames(S); for i = 1:length(nms) f = getfie...

5일 전 | 1

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