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fadams18


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48 2018 이후 총 참여 횟수

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질문


dynamically name function output
I would like to to dynamically name fuction output based on some inputs Like: As my variable para.algo will be changing, is i...

약 15시간 전 | 답변 수: 0 | 0

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How can I randomly sample 10% and 20% pixels of an image
Hello guys I have an image of size 2,048×2,048 pixels, I would like to stack the 3 channels to get a matrix of size 6,144 ×...

4일 전 | 답변 수: 0 | 0

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Randomly samplying a matrix
Im currently modifying an algorithm which randomly samples a given matrix by % Omega - set of observed entries. Should be li...

8일 전 | 답변 수: 0 | 0

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질문


Does running multiple instances of Matlab slow down algorithm?
I have 4 algorithms that i want to benchmark. and it takes time to run, and i dont want to run each of them seperatly, so i sta...

약 1달 전 | 답변 수: 0 | 0

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질문


What is this Matlab symbol '' | ''
Guys, could someone explain what this expression does. Ive never seen this expression before. Thank you. pGrad=gradX(gradX<0|X>...

약 2달 전 | 답변 수: 1 | 0

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질문


save all columns into a new variable in a loop
I have the following setup. Every time k changes i get new values of T. T is of size 1x1000, so i want to end the end have a 3...

3달 전 | 답변 수: 1 | 0

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질문


reconstruction Error of 2 colored images
I have an original image of dimension 300x300x3 (RGB) after removing some entries, I apply an algorithm to reconstuct the ori...

4달 전 | 답변 수: 0 | 0

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Re-extract final images after vectorizing a set of images
I have 20 images each of which is 175 x 200. then i create a matrix X and unfold each image into it. so that X becomes a (175*20...

4달 전 | 답변 수: 0 | 0

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질문


Given a matrix A^n. Comparing normal multiplication versus Diagonalization. I expect the former to be faster but its not in my case
I have been learning diagonalization and SVD. I tried to show by code that doing A^n = A* A* A*......* n is slower than when we ...

4달 전 | 답변 수: 2 | 0

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Error using sparse Index into matrix must be positive.
Im converting a code from python to Matlab % Python Code % ksq and old_dim are dimensions e.g. 5, or 10 C = np.arange(old_di...

5달 전 | 답변 수: 1 | 0

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답변 있음
Please teach me by explaining to me what this question is asking me to do!
Hello, It will be hard to find a Tutor dedicated to teach you. On here the community just helps you with your programming probl...

5달 전 | 1

질문


Find minimum of a 15x100 and return in a vector of 1x100. is this possible?
I have i=5 ; nu=150 ; for j =1:15 load(['output/GC/rank_', int2str(i), '/nu_',int2str(nu),'/NeNMF_GC_', int2str(j), '....

5달 전 | 답변 수: 1 | 0

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질문


Write several 1x101 vectors to table for Latex
I have 2 variable each of which are 1x101 size A = AS_V ; % AS_V is 1x101 B = NeNMF_V; % NeNMF_V is 1x101 T = table(A,B)...

5달 전 | 답변 수: 1 | 0

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Why do I receive the error message "The system cannot find the file specified"
It could be many possibilities Old files interfering with you previously installed Matlab Path of the installation. Check to s...

5달 전 | 0

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질문


legend has same colors
Its been asked many times but my code looks fine. I dont know whats making matlab show same colors on the legend figure(1), ...

5달 전 | 답변 수: 1 | 0

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질문


Create mask over image
I am trying to create mask over an image (input). I already used photoshop to create a mask (which is basiclly an image with sam...

5달 전 | 답변 수: 2 | 0

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질문


remove zeros from a 15x300 matrix and find the median
when I run the code below I get 15x301 matrix AS_V with some receding zeroes for i=1:15 load(['output/NeNMF_V_', int2str(...

5달 전 | 답변 수: 1 | 0

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How do I make text color black when using the function insertText
Hello I created a white image using the code below. and then i inserted a text. but the text has yellow background. I dont know ...

5달 전 | 답변 수: 2 | 0

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Apply mask to RGB image. If mask is RGB as well do i have to seperet the mask to its channels too?
Hello I want to apply this mask onto this RGB color to use in NMF ... function [ R, B,G ] = Split_Image( ) Input=...

6달 전 | 답변 수: 1 | 0

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해결됨


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

7달 전

답변 있음
check a condition once and remember it later in the code
So i modified @Adam's answer. I edited the two functions GC and RSI so that they both have same number of inputs if strcmp(op...

7달 전 | 0

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check a condition once and remember it later in the code
I want to check for an input at the beginning of my code. then when i enter a while loop i don't want to recheck this input, ...

7달 전 | 답변 수: 2 | 0

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Matab -clearvars equivalent in Python
Hello guys, Whats the Matab clearvars -except vars1 vars2 equivalent in Python. Thanks in advance

8달 전 | 답변 수: 0 | 0

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질문


Label Columns and Rows of Dat file
Hello Guys,, How to I Label the rows of a dat file. to look like in the picture below clear clc nu= 50; ps=1; load([...

8달 전 | 답변 수: 0 | 0

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write output to .dat file yielding repeated values
Hello Matlabers, I'm trying to write my output to a dat file but it apears not all the values are entered. I want the .dat fil...

8달 전 | 답변 수: 0 | 0

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SHould i use a switch or class
Hello matlabers, So I have a question. so i have 3 types of vehicles repressinting [0,1,2] i.e. 0 ='normal car', 1='emergency'...

약 1년 전 | 답변 수: 0 | 0

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In Tikhonov regularization what value of gamma is best?
Hello Matlabers, Im applying Tikhonov regularization to alternating least squares of non negative factorization. I want to s...

약 1년 전 | 답변 수: 0 | 0

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Sparse norm(S,2) is not available.
Hello i get the error spare norm(S,2) is not available in my code at the line where i have Mnrm = 2.5e+5; scal = Mn...

1년 이상 전 | 답변 수: 0 | 0

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질문


dot multipy unequal matrix size. Possible?
hello, I have 2 matrices X=20 by 10000 Q= 10000 by 10000 Is it possible to make a Q.*X ?

1년 이상 전 | 답변 수: 1 | 0

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질문


How do I generate missing entries using random binary masks on an Image?
Hello, How to I produce incomplete matrix with missing values in the right image. (A) original image ...

1년 이상 전 | 답변 수: 1 | 0

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