1 092 total contributions since 2017

#Image Processing

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#Alma-mater Tezpur University India

Answered

How to define a global variable

Here Matlab Documentation: https://in.mathworks.com/help/matlab/ref/global.html

How to define a global variable

Here Matlab Documentation: https://in.mathworks.com/help/matlab/ref/global.html

environ 16 heures ago | 0

Answered

MSE, RMSE and any other useful evaluation metrics

The u vector as follows (As per question) u=[0.5 1 0.6981 0.7854]; Est1=[0.499 0.99 0.689 0.779], Est2=[0.500 1.002 0.699 ...

MSE, RMSE and any other useful evaluation metrics

The u vector as follows (As per question) u=[0.5 1 0.6981 0.7854]; Est1=[0.499 0.99 0.689 0.779], Est2=[0.500 1.002 0.699 ...

environ 16 heures ago | 0

Answered

variable solve for T help

molar_composition=[30.4/100,43.1/100,21.5/100,3.1/100,1.9/100]; Feed_stream=100; A=[6.8760,6.8968,6.9187,7.1161,6.9509]; B=[1...

variable solve for T help

molar_composition=[30.4/100,43.1/100,21.5/100,3.1/100,1.9/100]; Feed_stream=100; A=[6.8760,6.8968,6.9187,7.1161,6.9509]; B=[1...

environ 20 heures ago | 0

Answered

Write function for car sales

Requested you to read here about function call and here for if else , Without understanding, do not just copy paste the program,...

Write function for car sales

Requested you to read here about function call and here for if else , Without understanding, do not just copy paste the program,...

environ 21 heures ago | 1

Answered

How to create half cycle sine pulse train

How to create half cycle sine pulse train Is this? clc; clear all; close all; %wt = 0:0.2:pi; tp=2.2676*10^-3; Ts=22.67*1...

How to create half cycle sine pulse train

How to create half cycle sine pulse train Is this? clc; clear all; close all; %wt = 0:0.2:pi; tp=2.2676*10^-3; Ts=22.67*1...

environ 21 heures ago | 1

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Answered

How to change the color of the most recent plot point?

clear; close all; clc; %% matrix creation b = [100,25,50,25; 50,50,50,50; 20,125,5,50; 5,10,15,170]; %% plot figure times...

How to change the color of the most recent plot point?

clear; close all; clc; %% matrix creation b = [100,25,50,25; 50,50,50,50; 20,125,5,50; 5,10,15,170]; %% plot figure times...

1 jour ago | 0

Answered

Finding mean for multiple matrices

Please do read here result1=mean(A); So on..

Finding mean for multiple matrices

Please do read here result1=mean(A); So on..

1 jour ago | 0

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Answered

Symmetric binary matrix with diagonal 0 values

Beware: Before Try (I posted it as answer, so that you may get some idea) n=input('Eneter the value of n: ') result=zeros(10,...

Symmetric binary matrix with diagonal 0 values

Beware: Before Try (I posted it as answer, so that you may get some idea) n=input('Eneter the value of n: ') result=zeros(10,...

1 jour ago | 0

Answered

insert date in date .txt

One way, save all file as cell array elements as strings data_file={'01/2001','02/2001','03/2001','12/2005'}; % Just an exampl...

insert date in date .txt

One way, save all file as cell array elements as strings data_file={'01/2001','02/2001','03/2001','12/2005'}; % Just an exampl...

1 jour ago | 0

Answered

Index exceeds the number of array elements. Please Help?

Read about array indexing, suppose you have x=[2 3 4], its having 3 length, if you want acess x(5), it will shows Index exceeds ...

Index exceeds the number of array elements. Please Help?

Read about array indexing, suppose you have x=[2 3 4], its having 3 length, if you want acess x(5), it will shows Index exceeds ...

2 jours ago | 1

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Answered

How to publish results from the command window in MATLAB

One Way: You can use diary function to save the all command window file in text form, later do the PDF conversion diary on ...

How to publish results from the command window in MATLAB

One Way: You can use diary function to save the all command window file in text form, later do the PDF conversion diary on ...

2 jours ago | 0

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Answered

Making a vector of images

Set the current directory on the respective folder (Image Folder) Steps: Call the images one by one Save images in Cell Arra...

Making a vector of images

Set the current directory on the respective folder (Image Folder) Steps: Call the images one by one Save images in Cell Arra...

2 jours ago | 0

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Answered

Hi there. i want to know that how can i change my MATLAB scale from scientific notation to mannual? I have my values on Y axis as [668.85 2548 5733 10192 15925 22932]

Here ytickformat https://in.mathworks.com/help/matlab/ref/ytickformat.html

Hi there. i want to know that how can i change my MATLAB scale from scientific notation to mannual? I have my values on Y axis as [668.85 2548 5733 10192 15925 22932]

Here ytickformat https://in.mathworks.com/help/matlab/ref/ytickformat.html

3 jours ago | 0

Answered

how to put/get a matrix from array

B{1} Do call other cell array in simillar ways.

how to put/get a matrix from array

B{1} Do call other cell array in simillar ways.

3 jours ago | 0

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Answered

Counting occurences of each number in a column when it's equal to all numbers in the same line?

P=[1 2 3 2 2 2 3 3 3 4 4 1 4 4 4 2 2 2 1 4 2]; [r c]=size(P); for i=1:r if range(P(i,:))==0 data=ismember(P,P(...

Counting occurences of each number in a column when it's equal to all numbers in the same line?

P=[1 2 3 2 2 2 3 3 3 4 4 1 4 4 4 2 2 2 1 4 2]; [r c]=size(P); for i=1:r if range(P(i,:))==0 data=ismember(P,P(...

3 jours ago | 0

Answered

How to convert 3D image to 1D data?

result=reshape(3Dimage,[1 rows*colm*depth])

How to convert 3D image to 1D data?

result=reshape(3Dimage,[1 rows*colm*depth])

3 jours ago | 0

Answered

How to get mean across cell array of arrays different size?

Might be following example help you cell1=rand(3,3,3); cell2=rand(2,3,2); cell3=randi(10,2,2) data={cell1,cell2,cell3}; % J...

How to get mean across cell array of arrays different size?

Might be following example help you cell1=rand(3,3,3); cell2=rand(2,3,2); cell3=randi(10,2,2) data={cell1,cell2,cell3}; % J...

3 jours ago | 0

Answered

Undefined operator '>' for input arguments of type 'function_handle'. Error in simple_nlr (line 24) while err > tol

The err in your code is function handle >> err err = function_handle with value: @(a)sum((y(a)-ym).^2) You are ...

Undefined operator '>' for input arguments of type 'function_handle'. Error in simple_nlr (line 24) while err > tol

The err in your code is function handle >> err err = function_handle with value: @(a)sum((y(a)-ym).^2) You are ...

3 jours ago | 0

Answered

How to select matrix data for looping?

Use mat2cell More: A=randi(100,100) result=mat2cell(A,repmat(10,1,10),repmat(10,1,10)); result

How to select matrix data for looping?

Use mat2cell More: A=randi(100,100) result=mat2cell(A,repmat(10,1,10),repmat(10,1,10)); result

3 jours ago | 0

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Answered

how to calculate mse and psnr of compressed video?

One way: You can caluclate it frame by frame (as Images) PSNR

how to calculate mse and psnr of compressed video?

One way: You can caluclate it frame by frame (as Images) PSNR

5 jours ago | 0

Answered

How do I save the matrices made in a loop and save them to a matrix?

How do I save the matrices made in a loop and save them to a matrix? Use cell array In your case: c=cell(1,n); % Preallocatio...

How do I save the matrices made in a loop and save them to a matrix?

How do I save the matrices made in a loop and save them to a matrix? Use cell array In your case: c=cell(1,n); % Preallocatio...

5 jours ago | 0

Answered

Ploting stack of matrices

A=randi(100,[100 4 4]); %........... ^[rows column number of stack planes] B=randi(100,[100 4]); [r c d]=size(A); % d repres...

Ploting stack of matrices

A=randi(100,[100 4 4]); %........... ^[rows column number of stack planes] B=randi(100,[100 4]); [r c d]=size(A); % d repres...

5 jours ago | 0

Answered

The @ symbol in Matlab

Read here https://in.mathworks.com/matlabcentral/answers/320129-what-does-do

The @ symbol in Matlab

Read here https://in.mathworks.com/matlabcentral/answers/320129-what-does-do

6 jours ago | 0

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Answered

remove row and column

original_mat(1:17,:)=[]; original_mat(:,1:17)=[]; In the following example I have deleted 1 to 2 rows and columns of 5x5 matri...

remove row and column

original_mat(1:17,:)=[]; original_mat(:,1:17)=[]; In the following example I have deleted 1 to 2 rows and columns of 5x5 matri...

6 jours ago | 0

Answered

Cropping images into patches

patch1=original_image(1:1495,1:1495); patch2=original_image(1496:end,1496:end);

Cropping images into patches

patch1=original_image(1:1495,1:1495); patch2=original_image(1496:end,1496:end);

6 jours ago | 0

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Answered

How do I compare 'list' with 'out' to check where both values of a row for 'out' are equal to both values of a row for 'list'?

idx=find(list==out); You will get the all rows value, where "list" rows value equal to "out" rows elements. As per the questio...

How do I compare 'list' with 'out' to check where both values of a row for 'out' are equal to both values of a row for 'list'?

idx=find(list==out); You will get the all rows value, where "list" rows value equal to "out" rows elements. As per the questio...

6 jours ago | 0

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Answered

symbolic multiplication doubt in usage of * or .*

* for scalar multiplecation When you multiply a vector by a number, known scalar multiplication, example supoose vec=[1,3,5,6]...

symbolic multiplication doubt in usage of * or .*

* for scalar multiplecation When you multiply a vector by a number, known scalar multiplication, example supoose vec=[1,3,5,6]...

6 jours ago | 0

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Answered

If I have to create a number with a boolean matrix, is it possible to flip a column but still conserve it on its original position? How?

"is it possible to flip a column but still conserve it on its original position? How? No Any matrix elements positions are spe...

If I have to create a number with a boolean matrix, is it possible to flip a column but still conserve it on its original position? How?

"is it possible to flip a column but still conserve it on its original position? How? No Any matrix elements positions are spe...

6 jours ago | 0

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Answered

mod gives incorrect result

May be the issue with Largest number in Matlab, Experts can elaborate more in this case >> 146^23 ans = 6.0272e+49 If yo...

mod gives incorrect result

May be the issue with Largest number in Matlab, Experts can elaborate more in this case >> 146^23 ans = 6.0272e+49 If yo...

7 jours ago | 0

Answered

Matlab placing loop results in array

arrayA=zeros(1,36); for buscombo=1:36 % Find result... arrayA(busloop)=result; end

Matlab placing loop results in array

arrayA=zeros(1,36); for buscombo=1:36 % Find result... arrayA(busloop)=result; end

8 jours ago | 0