legend children empty, but need to set transparency
I had the same problem. I couldn't figure out a way to resolve it in Matlab, so instead I exported the graph as it was and then ...

2 years ago | 0

Integration of discrete data which have a non-linear relationship
Numerical integration based on Simpson's rule provides greater accuracy than integration using trapezoidal rule. Here is an impl...

2 years ago | 0

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Contour plot with 3 variables
% Grid y=70:160; x=0:60; z=10:80; [X,Y,Z]=meshgrid(x,y,z); % Evaluate function at grid points F=-1.69*X ...

2 years ago | 0

Complex numbers input in neural networks
You can represent a complex number, a+i*b, as a 2-vector [a b], so use that format instead. Suppose that F is an array of comple...

2 years ago | 1

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How can I place spheres along a circle/ring ?
See example below. All relevant functions used to generate this example can be found <https://drive.google.com/open?id=11Rc5WKrq...

2 years ago | 1

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Is it possible to plot Surfaces at specified coordinates?
If in addition to the vertices sampled from the surfaces you also have the connectivity information among the vertices, you can ...

2 years ago | 0

How to plot a function on a cylinder surface
Here is an example: % Right cylinder parameters z_min=0; % lower cut-off point z_max=4; % upper cut-off point ...

2 years ago | 2

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Is it posible in Matlab to model surface using spherical harmonics (SH) basing on 3d data? If yes, how can I do it.
If the surface in question is closed (i.e., no boundaries) and is genus-0 (i.e., ho holes or handles), then it is indeed possibl...

2 years ago | 0

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solving system of equations using singular value decomposition and fsolve
This is an overdetermined system (i.e., number of equations > number of variables). You can obtain least squares solution as X=(...

2 years ago | 1

How do I display 55x305x4 .mat file as an image in Matlab and save it ?
% Data array A=Position3DGrid; % Convert to uint8 I_min=min(A(:)); I_max=max(A(:)); A=uint8(255*(A-I_min)/(...

2 years ago | 0

From .stl to mathematical function. Is it possible?
If the object is has a relatively simple geometry and you want to get a compact description of its shape, one of the following r...

2 years ago | 1

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How can I accurately plot the centroid of black dots in MATLAB?

2 years ago | 0

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Finding the part of a larger matrix that is most similar to a smaller matrix
Here is another example, in case you dont have an Image Processing Toolbox: % Random N-by-N matrix N=1E3; % ma...

2 years ago | 0

open an image in another image

2 years ago | 0

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How to hightlight the mask in a image

2 years ago | 0

Converting a stack of .bmp images into an .stl file
(1) Segment the object of interest in your 3D image, (2) Reconstruct boundary of the segmented object using 'isosurface' func...

2 years ago | 0

could anyone tell me how to save the values while the code is getting executed
save('FileName.m','name_of_variable_you_want_to_save')

2 years ago | 0

How i can convert cell (each element in cell with different length) to array?
Is this kind of what you are looking for? ex = {[1,2,4,5,7,11,12],[1,3,4,5,7,11,12],[1,2,4,6,5,7,11,12],[1,3,4,6,5,7,11,12]...

2 years ago | 0

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how to find maximum value in a matrix?

2 years ago | 1

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How to divide the brain segmented slices in left and right compartments (halves)?
The simplest way to approach your problem is to (1) Aggregate all (segmented) slices from a given 3D image to form a volume ...

2 years ago | 0

3D array permutation
Suppose you have G, which is a Y-by-X-by-Z 3D array, then i-th xy slice: G_yx=G(:,:,i); % Y-by-X array i-th xz slice...

2 years ago | 0

need help for touched cursive segmentation
You have to apply watershed algorithm to the original (grayscale) image, not the binary one. Can you post the code you are using...

2 years ago | 1

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How to find and draw boundary on some parts of an object in image?

2 years ago | 0

Detecting centroid and orientation of capsules
If your capsules have parametric a representation (e.g., ellipsoid), you can use Hough transform (HG). Description of a HG varia...

2 years ago | 1

Question

Setting 'FaceAlpha'<1 for a patch object causes x- and y- axes of the plot to dissapear. Why and how can this be corrected?
Hello everyone, have any of you ever plotted a 2D patch object and noticed that upon altering its 'FaceAlpha' value below 1, ...

6 years ago | 1 answer | 0

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Dividing a triangle into equal parts
Suppose you have a triangle defined by the vertices A, B and C. To subdivide this triangle into n triangles of equal area you ca...

7 years ago | 0

Point inside triangle(s)?
Hi Sven, I have encountered this problem many times in the past. I am aware of at least two approaches to solve it. The first...

8 years ago | 1

Solved

Is my wife right?
Regardless of input, output the string 'yes'.

8 years ago

Solved

Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

8 years ago

Solved

Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

8 years ago