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JaeSung Choi


Last seen: 거의 2년 전 |  2017년부터 활동

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How do i assign the number(variable) to the name of variable?
Hi, guys. I want to make variables using numbers like this. This doesn't work. But I'm sure that you can understand what I wan...

거의 3년 전 | 답변 수: 1 | 0

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How to decide dimension (using correlationDimension function)?
I have some data y and I want to derive correlation dimension of this data. So, I followed the example of correlation...

대략 6년 전 | 답변 수: 1 | 0

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How to open xml format file? ( as document)
<https://dumps.wikimedia.org/enwiki/latest/> I tried to open 'enwiki-latest-abstract22.xml.gz-rss.xml' file, but MATLAB Edito...

6년 초과 전 | 답변 수: 1 | 0

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How to find the exact period for given equation?
I have an periodic equation, but i can't find the exact period of this equation with analytic method. Can i derive the exact ...

6년 초과 전 | 답변 수: 1 | 0

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how can i adjust y-axis scale of 'semilogy' function
I want to set y scale from 10^(-2) to 10^7 following problem. x = 0:0.1:10; y = exp(x); figure semilogy(x,y)...

6년 초과 전 | 답변 수: 1 | 0

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How can I subplot heat maps?
I want to subplot heat maps, so I did as following but it didn't work. Please help me! A = [ 1 1 ; 2 2 ] subplot(4,4,1) ...

거의 7년 전 | 답변 수: 1 | 0

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saving topologies in matrix
I want to save my topology in matrix. For example if i have 100 kinds of 1000 by 1000 matrix(topology) then i want to save...

거의 7년 전 | 답변 수: 1 | 0

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For given vector, make a "averaged vector"
For a given 1 by 1000 vector A = (a1 a2 a3 a4 so on,,a1000) and interger n I want to make vector B = (b1 b2 b3 so on,,b...

거의 7년 전 | 답변 수: 2 | 0

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converse the order of row or column vector
I want to converse the order of row or column vector. ex) [1 2 3 10] -> [10 3 2 1] help please!

거의 7년 전 | 답변 수: 1 | 0

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take selected rows from given matrix
How can i take selected rows from given matrix?? For instance, let A = rand(100) and i want to take 10th,20th,30th ----100th ...

대략 7년 전 | 답변 수: 2 | 0

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better method for evaluating matrix
For given vector such as following, I want to make square matrix s such that %constant, original form N = 500; x = 2*pi...

대략 7년 전 | 답변 수: 2 | 0

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make matrix for given vector ( better method)
for given vector x = [x1 x2 x3 x4 x5] I want to make square matrix y = [x; x; x; x; x] actually I can make it using ---...

대략 7년 전 | 답변 수: 1 | 0

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Solving coupled differential equations
T o solve my coupled differential equations. I made the following function ====================== function x_value = reser...

대략 7년 전 | 답변 수: 1 | 0

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making random sparse matrix
i just want to make random sparse matrix of size(100,100). How can I derive this?? Please help me. (I used function 'rand' and ...

대략 7년 전 | 답변 수: 1 | 0

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Solving coupled Differential equations
I tried to solve following diff. eq. using 'dsolve' but (maybe) it's impossible. So please help me how to solve following eq....

대략 7년 전 | 답변 수: 0 | 0

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What's 'simplify' function??
How does 'simplify(E)' works? Does it eliminate some terms? or just simplify?( ex) 1+1->2) And if it eliminates something, what...

7년 초과 전 | 답변 수: 1 | 0

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using 'fprintf' with char format
x = input('Enter the grade (1-100):'); if x >= 90 grade = 'A'; elseif x >= 80 grade = 'B'; elseif x >= 70 ...

7년 초과 전 | 답변 수: 1 | 0

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Interpolation - Fourier interpolant (i.e. trigonomentric) & Using Gauss-Legendre polynomial
For example, f(x) = cos(x) in [-pi,pi] 1)I want to find Fourier(trigonomentric) interpolant. Is there any built in function f...

7년 초과 전 | 답변 수: 0 | 0

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calculate the function in vector.
I want to calculate my 'poly' function for domain of linspace(0,1,100) so I tried --------------------------------- %make...

7년 초과 전 | 답변 수: 3 | 0

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how to extrapolate with given data? (maybe very simple)
I want to guess outside the given data! For example data x = 1:5 y = [7 9 10 11 12] are given. And I want to guess the values...

7년 초과 전 | 답변 수: 1 | 1

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