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KALYAN ACHARJYA


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1,607 2017 年以降の合計貢献数

#Image Processing
#Learner Alma #TezpurUniv

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Find, sort and assign values in matrix
data=q3(:,4)/3; data=[data(1);data(1:end-1)+data(2:end)]; q4=[q3(:,1),data]

約5時間 前 | 0

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Comparing two array of bit
result=array1==array2 Considering, both are logical data type, as you mentioned '1×2048' array of bits' Later you can use sum...

約6時間 前 | 0

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three level DFT need help in error
Please note: MATLAB allows positive array indices only, examples data(-2); % Invalid data(0); % Invalid data(4); % Valid W...

約7時間 前 | 0

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how can ı wriite this fprintf
n=...? for i=1:n fprintf('%d times 6 is %d\n',i,i*6); end

約8時間 前 | 0

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plotting using for loop
Edited: For difference, please read the Stephen Cobeldick 's valuable comment. more x=[0:0.1:1] x1=0:0.1:1 x2=(0:0.1:1) ...

約9時間 前 | 0

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Index in position 2 exceeds array bounds (must not exceed 10).
Once I tried to reproduce the error (with later attach file), I coudn't. It reflects the following in the command window. WL_po...

約10時間 前 | 0

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Principal Component Analysis (PCA) in matlab
To perform principal component analysis directly on the data matrix, use pca. Matlab Doc Suggested: pcacov does not standardi...

2日 前 | 0

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Figure but no plot
Here is the issue, the rest code is perfectly OK x=0:0.1:diffmax %..^ ..^ not semicolon, its colon

2日 前 | 0

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How can I create a 3D matrix?
mat_3d=rand(rows_num,columns_mum,depth); Here depth represents channel number/number of plane slices Your query ('how can comb...

2日 前 | 0

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Concatenate signals ( sine wave and a line )
total=[a X Y]; Here "a" is row data, so you must have row-wise (horizontally) concatenate

3日 前 | 1

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The way to make an array using function_hundle(関数ハンドルを用いた配列の作り方)
Option 1: i=1:5; x=2; f=i*x Here resultant f array itself represents the f(1), f(2)..respectively depends on array length of...

4日 前 | 0

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How to count the number of pixels in each grid ?
"I want I want to count the number of pixels in each grid" As I answered your previous question, assuming you could use the gr...

4日 前 | 0

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How do I print the final value of RMSE on the command line?
data=sqrt(mean((data1-data)^2)) fprintf('The RMSE Vale: %f',data); Please modify, as per requirements

4日 前 | 0

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How to get all matrix values in 3X4 sub-matrix from an M x N matrix(Template Matching)
You can do that multiple ways: im_blocks=mat2cell(grayImage,M/3*ones(1,3),N/4*ones(1,4)); Please ensure that, MxN are perfec...

4日 前 | 0

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Recombine cell arrays to produce a new image
"now how to i recombine all cells to create the a new picture with all the cells" cell2mat Matlab Docs: Convert cell array to ...

4日 前 | 0

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"For Loop" in terms of angle theta
clc;clear %set value for w in (rad/s) w=-418.8790205; %Set crank radius in (m) r=0.047; %create rotational velocity matrix...

5日 前 | 1

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Error: Not Enough Input Arguments
Once, I tried to reproduce the same error, I could not >> p = [3 -2 -4]; roots(p) ans = 1.5352 -0.8685 One Suspect:...

5日 前 | 0

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Checking if a value is equal to zero or no ? with the problem of floating-point numbers !
%% A = [0.0850 0.2130 0.1480 0.2220 0.2430 0.0890] if logical(sum(A(:)))==1 "yes" end More: A = 0...

5日 前 | 1

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how to bright a picture gradually
Suggestion: Please see the Gamma Scaling or Power low trasnformation, you can adjust the values of Gamma or Constant as per desi...

5日 前 | 0

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syntax error in code
temp1=2*x_be(n)*((x_be(n)^2+y_be(n)^2)^2)-2*gamma*y_be(n)*(x_be(n)^2 +y_be(n)^2)-4*x_be(n)*((gamma*h)^2)+2*x_be(n)*x_be(n)^2+y_b...

6日 前 | 0

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correlation of 2 signals
clc; clear;close all; %% t=linspace(0,1000,100001); %in ms xs=randn(1,100001); subplot(3,1,1),plot(t,xs); title('SIGNAL RE...

6日 前 | 0

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How to trace the boundray of object in an image using MATLAB?
se=strel('disk',2); im=imerode(~binary_image,se); result=bwareafilt(im,1); result=imdilate(result,se); imshow(result); Plea...

8日 前 | 0

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How to find the last 1 in every row
A=rot90(A,90); [~,idx]=max(A==1,[],2) Result: idx = 2 3 2

8日 前 | 0

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for loop to go through a cell array
No loop needed here % FOllowing result counts the total grain left rice pile result=sum(xc_array>ricepileoutlet) Note: Assum...

9日 前 | 0

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How can I overlay my binary gray image red?
Generally, I prefer to set this way. Before applying the color, please adjut the piels condition or area to be color Here, just...

9日 前 | 0

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I was trying to average 20 schlieren images. For that i wrote this code. But i am getting a white image as output image after averaging. Please help me with this. Thank you
numImages=20; myFolder = 'D:\postprocessing\OR 3 NPR 3.5 flatplate _C001H001S0001'; if ~isdir(myFolder) errorMessage = spri...

10日 前 | 1

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Creating an 8x8 matrix using loops
"I can create it using reshape() but I want to get the same output using loops.How's that possible? For and if loop to be more ...

12日 前 | 0

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Replace even element with zero
"I am trying to replace even elements in my matrix with zero like below:" a(2:2:end)=0 But the example is different ?? a = [...

12日 前 | 0

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Add interpolated data at a specific location in the main array.
This way? array_new=[array_data(1:28),int_data,array_data(29:end)]

13日 前 | 1

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Error using .* Matrix dimensions must agree. Error in eff_vs_length (line 20) Ty1=1-exp((-U.*AsurY)./(m.*C)) >>
Please define h,Kp and Kg h=...? Kp=..? Kg=....? % Assumning all are scalar % L=9.512; Y=0:9.512; m=0.11; C=1007; ...

13日 前 | 1

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