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연승 김


Last seen: mer än ett år ago |  Active since 2021

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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

1

answer

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

2

answers

Question


Why my Nonlinear function cannot be solved??
I'm MATLAB beginner. so please help me~^^* fun_y = function_handle with value: @(y1,y2)y1.*8.0e+1+y2.*7.0e+1-log(y1...

mer än ett år ago | 1 answer | 0

1

answer

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

2

answers

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

1

answer

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

1

answer

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

1

answer

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

3

answers

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

1

answer

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

1

answer

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

1

answer

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

1

answer

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

1

answer

Answered
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

3

answers