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Return index from Plot3 using getCursorInfo(dcm_obj);
Works for me: function test t = 0:pi/50:10*pi; plot3(sin(t),cos(t),t) uicontrol('Style', 'pushbutton','Callback',@...

12 years 前 | 0

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TriScatteredInterp from 3 lines to get surface
Try [xq,yq] = meshgrid(0:.01:.4, 0:.1:60); vq = F(xq,yq); mesh(xq,yq,vq);

12 years 前 | 0

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generate random numbers in range from (0.8 to 4)
n = 20; R = [0.8 4]; z = rand(n,1)*range(R)+min(R)

12 years 前 | 3

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find and store index for consecutive numbers
I guess your problem is identifying same areas in a vector. Therefore you may use this function: Isame = @(x) [1; find(diff...

12 years 前 | 0

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Loop code for images to plot graph
N = 22; % Number of images pix = 768*1024; % number of pixels in each image A = zeros(N,1); % preallocation for k...

12 years 前 | 0

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SURF 2D. How is possible.
MATLAB help is great. doc surf Quote: _surf(Z) creates a three-dimensional shaded surface from the z components in matri...

12 years 前 | 2

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how to create a loop
vENU = rand(6,400); % random data generation N = size(vENU,2); % = 400 steps (in your example) yaw_deg = zeros(1,N); % p...

12 years 前 | 1

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Need to write a code for this method....
Since your explanations feel like a puzzle, whats wrong with this? N = 60; % or N = length(t) t1 = 1:N; %[sec] timesteps...

12 years 前 | 1

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Search for line passing through a point in edge image
doc hough

12 years 前 | 0

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save excel data to matfile.....
Reading excel sheet: doc xlsread Saving into matfile doc save

12 years 前 | 1

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curve fitting a power function
As I said in the comment, I think |f(x)=b*x^m| is your power function. x = [0.5 2.4 3.2 4.9 6.5 7.8]'; y = [0.8 9.3 37.9...

12 years 前 | 5

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how to write empty variable....
A = [] % A is empty isempty(A) % Is A empty? exist(A,'var') % Does A exist as variable? % empty and not exis...

12 years 前 | 1

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how can i make an array of letters? is it possible
a = 1:26; astr = char(96+a);

12 years 前 | 0

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??? Index exceeds matrix dimensions. please help me
With your image height d and if p gets p=2, then you are trying to address with (p+d-1) the (d+1) pixel. Thats not possible.

12 years 前 | 3

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How can I calculate the angle between two points and camera?
# Image segmentation to find the object. The method depends on your image (object ,background,etc ), simplest one, might be im2b...

12 years 前 | 0

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mathlab, don't want debug this programme
Do you have the last line in a different m-file with a clear all at start? If so, clear _all_ clears also breakpoints, try only ...

12 years 前 | 0

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Can somebody give me an example on how to use voronoi(AX,...)
AX1 = axes('position',[0.1 0.1 0.8 0.4]); AX2 = axes('position',[0.1 0.6 0.8 0.4]); x = gallery('uniformdata',[1 10]...

12 years 前 | 0

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Gui , add İmage on figure
try ... 'position',[300 200 400 600],... ...

12 years 前 | 1

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Comparing Time Series data using correlation
Both, interpolation and adding zeros will work. But xcorr doesn't need same vector length. For not constant signal sample time t...

12 years 前 | 0

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Integration of scattered data
vq(scalar,scalar,vector) doesnt work. f=@(z)vq(zeros(size(z)),zeros(size(z)),z);

12 years 前 | 0

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applying colour for clustered image
You can define the water color. Than calculate the mean color for every cluster. Compare the mean cluster color with your define...

12 years 前 | 0

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how to convert jpeg images to pgm format...can someone help
X = imread('ngc6543a.jpg'); imwrite(X,'test.pgm')

12 years 前 | 3

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Plotting graph using M-file.
k = 0; for m = 1:10:100 k = k+1; y(k)=m+2; t=y(k)^2+4; x(k) = (2*t-1); end plot(x,y)

12 years 前 | 0

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Simulink: return values of simulation
Check out the Sinks-Library. There are _Display_-, _To Workspace_- and _To File_ Blocks.

12 years 前 | 0

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how to implement in simulink
phi -> sin(phi) with Trigonometric Function block phi_dot -> phi with Integrator block

12 years 前 | 0

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How I can do edge detection to almost white picture where are black lines/edges?
This demo might answer your question: <http://www.mathworks.de/products/image/examples.html?file=/products/demos/shipping/image...

12 years 前 | 0

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darkest pixel in image
X = rand(100); [C,I] = min(X(:));

12 years 前 | 2

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How to understand R of the regresion plot in neural network training?
y = sim(net,inputn); r = regression(outputn,y); % r for every objective R = regression(outputn(:)',y(:)'); % R from plot...

12 years 前 | 0

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How to merge digits from a step signal into a single number(Simulink)?
"User-Defined Functions" is an option. As another possibility (among many) you can take "Triggered Subsystems", with the trig...

12 years 前 | 0

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Draw an arc between two points --> (x1,y1,z1) and (x2,y2,z2)
function test_sphere n = 200; THETA = rand(1,n)*2*pi; PHI = rand(1,n)*2*pi; R = 1.1*ones(1,n); [x,y,z] = sph2ca...

12 years 前 | 0