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Eliza


Active since 2017

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Student,Math lover

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Question


which best classifier for non-separable data?
which one of logistic Regression , SVM ,perception linear classifier is better for classifying non linearly separable data? why?...

meer dan 6 jaar ago | 0 answers | 0

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answers

Question


how to implement cyclic cross over in matlab ?
I found one code on the internet but the input and output is not understandable <https://github.com/estsauver/GAOT/blob/master...

meer dan 6 jaar ago | 0 answers | 0

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answers

Question


what is the name and meaning of this symbol?
what is the name and meaning of this symbol? after the arrow in the attached image

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


why knn classifier accuracy for multi class dataset is low?
I have data set consist of 296 features for 37 class. The data set is ordered according to the classes. I trained and test the d...

bijna 7 jaar ago | 1 answer | 0

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answer

Question


can I convert multiple png images to bmp images in matlab without effect on the quality of the images?
I used the following code and the ouput of some images are completely black d=dir('*.png'); for i=1:length(d) ...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


how can I append this format using dlmwrite ?
I wanna the result in the text file to be 1 2 4 A 5 6 7 B 8 9 0 C I used this formula but the result is not what...

bijna 7 jaar ago | 1 answer | 0

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Question


what kind of enhancement for this code can I do to get more precise result?
This code to find parameter of the camera matrix I wanna more precise result by taking more extra points then find the average a...

bijna 7 jaar ago | 0 answers | 0

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answers

Question


how to display instruction when the cursor on the edit box in matlab?
could I do it in matlab , I mean when the user put the cursor on the edit box I wanna display instruction about the values to be...

bijna 7 jaar ago | 1 answer | 0

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answer

Question


why I am getting Inf as result of PSNR?
I used PSNR to compare between the extracted watermark(wex.jpg) and the original watermark (msg.jpg) the result is Inf could an...

bijna 7 jaar ago | 1 answer | 1

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answer

Question


Extract watermark from any size image ?
I wanna to generalize this extraction code to work to any image size , It was basically for only extraction 512*512 Image , I wa...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


how I can measure the robustness of watermark?
I am working on one of the watermarking algorithm, I wanna measure the robustness of the watermark Image the PNSR used for ori...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


What is the meaning of this error in reading PNG image?
I am using Matlab2015b when I read png Image this error appear what does it mean ? How I can resolve it? p=imread('peppers...

bijna 7 jaar ago | 0 answers | 0

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answers

Question


How I can check the button if enabled or disabled in MATLAB?
I wanna use if condition to check if the button is Enable or Disable can I do that ?

bijna 7 jaar ago | 2 answers | 0

2

answers

Question


Error when I reset my interface ?
I have clear button that reset all interface component so I can start new operation without needing to close and open the interf...

bijna 7 jaar ago | 0 answers | 0

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answers

Question


How to display result in matlab without this format 1.0253e+04?
I wanna display the result as real number

ongeveer 7 jaar ago | 2 answers | 0

2

answers

Question


displaying system format?
could I display system as x*[25 64 144]+y* [5 5 12]+z*[ 1 1 1]=[ 289 345 123] but...

ongeveer 7 jaar ago | 1 answer | 0

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answer

Question


why the result is not decimal?
here is my code i wanna display b as decimal not the division operation as you see, any help please? syms x y z ...

ongeveer 7 jaar ago | 1 answer | 0

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Question


why i am not getting the exact answer when i use lu built in function?
A=[25 5 1;64 8 1;144 12 1]; C=[106.8;177.2;279.2]; [L,U] = lu(A) L = 0.1736 1.0000 0 0.4444 0.914...

ongeveer 7 jaar ago | 1 answer | 0

1

answer

Question


incorrect result in solving system using MATLAB ?
I am trynig to solve the following system (mat=coefficient matrix,B=output matrix) mat = 1 2 6 ...

ongeveer 7 jaar ago | 3 answers | 0

3

answers

Question


incorrect result in solving system using MATLAB ?
Iam trynig to solve the following system (mat=coefficient matrix,B=output matrix) mat = 1 2 6 ...

ongeveer 7 jaar ago | 0 answers | 0

0

answers

Question


how to save work space command in script file
is there anyway to save my work space command into script file ? I want all my command i write it in work space to be in script...

ongeveer 7 jaar ago | 1 answer | 0

1

answer

Question


the meaning of @ in this equation?
what is the meaning of this expression? f=@(x) x.^2-2;

ongeveer 7 jaar ago | 1 answer | 0

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Question


can any one help me to plot this function and midpoint each time will be calculated ?
can any one help me to plot this function and midpoint each time will be calculated ? % % function [x,n2] = c...

ongeveer 7 jaar ago | 0 answers | 0

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answers

Question


Plotting function step by step by GUI?
I would like to create matlab GUI that takes function from the user and produce plot for that function step by step , when the u...

ongeveer 7 jaar ago | 1 answer | 0

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answer