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How to use the Distance combination of two feature vectors to measure similarity between them?
Have you check here pdist2 (Pairwise distance between two sets)?

7 years ago | 0

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concatenate 2 matrix in loop "previous iteration"?
May be you replaced the privious C with current C, use copy privious C with other variable and do the same. while(i ~=4) ...

7 years ago | 0

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I have a time period t with t = t_min : del_t : t_max in a function, I want to extract each (t_min, del_t, t_max) of the args from the function argument t. I have found del_t and t_max, I cant figure out how to find t_min
You defined "time period t with t = t_min : del_t : t_max" I cant figure out how to find t_min t_min = t(1)

7 years ago | 0

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Matrix row swapping with respect to column
"only 2nd and 3rd coulm row valuese have to be interchanged.?" Y=[1 3 4; 2 4 5] Z=Y; Y(:,2)=Y(:,3); Y(:,3)=Z(:,2); Y Resu...

7 years ago | 0

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how to fill gaps in a matrix with a numbers using interpolation to develop a contour.
M =[0 0 0 0 0 3 0 3 0 3 0 3 0 3 0 0 0 3 3 ...

7 years ago | 1

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scaling y-axis
Could anyone Re-scale the y-axis so the first plot '' plot(data1(:,1),data1(:,2),'r--o')'' on line 3 can appear better on the g...

7 years ago | 1

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Answered
Separating vegetation from bare soil
Which are green pixels, read about RGB color model, based on that you may distinct the color of the pixel till some extent. ima...

7 years ago | 1

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Read and work with medical images from Whole Brain Atlas in matlab
use dicomread detail

7 years ago | 0

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how to convert image into blocks of region like 2*2 3*3 ?
Ley say the input image is input_image (gray Image), you want divide it into 3x3 blocks, you can keep all blocks in cell array ...

7 years ago | 0

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Create an array whose values depend on another array
C=[1 2 3 4 5 2 4 5 6 7 6 2 5 7 8] F=C; idx=find(C==1 | C==4 | C==7); F(idx)=1; idx=find(C==2 | C==5); F(idx)=2; idx=find(C...

7 years ago | 0

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Answered
"how to create a matrix of coordinates and how to calculate the distance b/w different coordinates of the same matrix w.r.t the any single coordinate element?"
You may look at cell array a={[-10,0],[0,0],[10,0],[20,0];[-10,5],[0,5],[10,5],[20,5];[-10,10],[0,10],[10,10],[20,10];[-15,10]...

7 years ago | 0

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Fill an array in a for loop, with change of dimension
"Fill an array in a for loop, with change of dimension" Use cell array Example a={}; for i=1:... a{i}= end Now a{1},a{2} ...

7 years ago | 1

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Answered
How compine features or how get same elements in 2 arrays
I am considering "or" part of the question "how get same elements in 2 arrays?" Use Intersection between two array, see detail ...

7 years ago | 0

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Answered
get the features that are assigned to each image after the loop is placed in separate rows within a matrix
vec1=[1:8]; vec2=[9,10,11,12]; vec3=[1 0 2 4 13 16 20 21]; vec4=[3 4 5]; FeGabor1=[vec1,vec2,vec3,vec4]; %This is for first ...

7 years ago | 1

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Answered
Working with RGB images
"How do I create cycle in this case?" Loop as discussed in below 2. "How do I count this average values and then build 3 plots...

7 years ago | 2

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Answered
creating an image database
Images=dir('C:\Complete_path\Input_folder_name\*.png'); %Input Images, Note on .format outDirectory='C:\path_to create_out_fold...

7 years ago | 2

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Answered
Debugging code for matrix dimensions
t=linspace(0,5,length(theta)); t and theta length must be same, thats why I have changed t with linspace, its creates the same ...

7 years ago | 1

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How to define the function to use for the composite trapezoidal rule?
"but I cant seem to do it without it saying INVALID." I did not find any coding error Main Script: %intial conditions t=li...

7 years ago | 0

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Friedman Reuch Levi equation
Variable's names like x(data) is not allowed () representing array indexing, that why I have changed the variable name from log(...

7 years ago | 0

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how to generate random points inside a sphere??
Please see here Random Numbers Within a Sphere Any issue let me know?

7 years ago | 0

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Modeling surface potential of SOI MOSFET
The below code is compiling successfully but no graph is being displayed in the plot window? Because your phi_s is shown all va...

7 years ago | 1

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Answered
How to generate random projection matrices?
function P=projection_mat(n) A=colbasis(magic(n)); P=A*inv(A'*A)*A'; end The colbasis function is here Here n represent siz...

7 years ago | 1

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How do I separate the white pixel data from binary image?
I want to separate the white pixel data from this binary image and convert it back to the rgb image for further use. What I und...

7 years ago | 2

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Answered
How to assign few of the array values with a constant randomly .
m=4;n=6; A=[ones(1,m) zeros(1,n)]; [rows colm]=size(A); colm_data=randperm(colm); result=A(:,colm_data) Please do change ac...

7 years ago | 0

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Undefined function or variable.
If you are using this file exchange custom function, you have to pass SIX inputs to the function, not FIVE

7 years ago | 0

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3d surface help
x = [701850.324 701850.394 701850.512 701850.592 701850.66 701850.657 701850.592 701850.508 701850.388 701850.319 701850.324 701...

7 years ago | 0

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Splitting based on delimiter but only once
input='Country k ʌ n t r i'; str1=strtok(input) str2=extractAfter(input,str1) output={str1,str2} Results: str1 = 'Coun...

7 years ago | 0

Answered
No value in centers when using imfindcircles
A=imread('1.jpg'); imshow(A); B=rgb2gray(A); figure,imshow(B) [centers,radii,metric]=imfindcircles(A,[1 100]); %..............

7 years ago | 0

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Answered
Write a function to show a square “random” image. The function will take in “at least” one input argument which is the size of the image in pixels. As a default, the image will be shown in black-white. If a second input argument is provided, it will
function image1=rand_image() pixel_num=input('Enter the value '); image1=logical(randi(2,[pixel_num pixel_num])-1); %@Image An...

7 years ago | 0

Answered
Insert solar symbol on plot axis
Is this you are looking for? I tried with your code solar=char(9737) ylabel(['10^{-6} M_',solar, 'Year^{-1}'], 'FontSize',...

7 years ago | 0