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# 연승 김

Last seen: mer än ett år ago Active since 2021

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Question

Fractional expression to decimal expression in symbolic function
My question is very simple but I don't know the way... I'm beginner so please help me. I use "syms" and make a function. and...

mer än ett år ago | 1 answer | 0

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Question

How to arrange the constraints shape to A matrix and b constants automatically ( Ax <= b)??
Hi. I'm not good at MATLAB so please help me^^ I want to solve LP problem using "linprog", so I have to make inequality constr...

mer än ett år ago | 2 answers | 0

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Question

Why my Nonlinear function cannot be solved??

mer än ett år ago | 1 answer | 0

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Question

How to split a function according to their variables?
Hi. I want to split function according to their variables. For example f(x1,x2,y1,y2) = 10*x1 + 20*x2 + 10*y1 + 10*y2 ; And ...

mer än ett år ago | 2 answers | 0

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Question

What " lo=3 " means in system option???
Hello. I'm MATLAB beginner. So help me please. Now I'm trying to control GAMS by MATLAB code "system" The code is below. syst...

mer än ett år ago | 1 answer | 1

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Question

What " *.form='full' " means in making structure??
I'm a beginner in MATLAB. Please help me. When I make a structure for using GAMS, I use the code below. substitute.name = ...

mer än ett år ago | 1 answer | 0

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Question

How can i create this specific matrix??
Hello. I'm MATLAB beginner. I want to make A matrix like below. ex1) i = 2 j = 3 A = [1,1,0,0,0,0 ; 0,0,1,1,0,0 ; 0,0,0,...

nästan 2 år ago | 1 answer | 0

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Question

How can i transfer a specific number in matrix to another number along the solution matrix??
Hello. I'n very novice in MATLAB, so please undersatand me..! My queation is as title. Let me an example. x = [1,0,0,1] % bi...

nästan 2 år ago | 3 answers | 0

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Question

How can i input value in symbolic expression, automatically?
Hi. I'm not good at MATLAB. so it's hard to me... I make symbolic expression, bou I have some trouble. syms a [1 2] syms 'a_x...

ungefär 2 år ago | 1 answer | 0

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Question

How can i generalize "if statement"
Hi. everyone ~! Thank you for reading^^ I'm a beginner to MATLAB, so please help me..! I want to generalize "if statement" be...

ungefär 2 år ago | 1 answer | 0

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Question

How can I use summation and product, simultaneously???
Firstable Thank you for your kind. I'm not good at MATLAB, so I always get information from this web-site. I want to use su...

ungefär 2 år ago | 1 answer | 0

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Question

How can I make multi parameters using syms, automatically?
I want to make mulit parameters using syms. For example syms 'p%d' [2 2] This code make matrix [p11, p12 ; p21, p22]. And I...

ungefär 2 år ago | 1 answer | 0

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Question

How can I send the MATLAB data(using loop) to excel???
Hello. I have a touble. I can send the MATLAB single data to excel. I studied it by this website. But, if when the data valu...

mer än 2 år ago | 1 answer | 0

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How can I get a calculated function value???
Thank you for your advice. I checked it before, but the result is not changed... I find a trick for this, but it is not a ul...

mer än 2 år ago | 0

Question

How can I get a calculated function value???
I want to calculate Lagrangian fuction. L(x_wt11, x_wt21, x_wt12, x_wt22) = Vt1 * ( (1-p_wt11)^x_wt11 * (1-p_wt21)^x_wt21 )......

mer än 2 år ago | 3 answers | 0