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Joon Jeon


Active since 2011

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Professional Interests: Economics, Environment, DICE, IAM analysis

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Fsolve : I want to give a condition which is something should be bigger than something, how can I do it?
I am solving one objective function. And one of the conditions is that something is bigger than something. I can I write t...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Question


differentiation in enonymous function condition
I have an objective function which contains some function which must be differentiated before I use the object. The obj functi...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


A little bit tricky 2d plots
I have three (100*2) matrix. (saying A, B and C) Each column must be graphed against 1:100. 1. Firstly, if I want to show ...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


loop intial guesses in fsolve
I am trying to solve some equations by using solve. Actually I did it. But this time, I am trying to vary some parameters. ...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Question


Basic 2D graph from 3D matrix?
I just began to use 3D matrix and have a problem when plotting it. I have a matrix of 2 by 2 by 10. It is that I have 10 page...

meer dan 12 jaar ago | 1 answer | 1

1

answer

Question


Nesting the value of variable in fsolve?
I am trying to nest a variable in function f(E). And thes variable, say V, is also a function of E. For example, V=exp(...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


Ok, I am still struggling fsolve with 'index exceeds matrix deminsion' error issue. Need your advice!
I am trying such as following code. But it keeps giving "index exceeds matrix dimension error" g=0.03; %gamma b=0.45;...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


using explcit parameters in fsolve gives error, how to solve this?
I have numerical values assigned to several parameter. Using these parameters, I want solve fsolve such as below. But it k...

meer dan 12 jaar ago | 2 answers | 1

2

answers

Answered
Simple 2D plot; Any way I can use String for xtick?
I added xlim([0.8, 4,2]); to make it look neater.

meer dan 12 jaar ago | 0

Question


Simple 2D plot; Any way I can use String for xtick?
I am going to put four ticks on horizontal axis such as t=1:1:4 However, actually, each number implies scenarios. So,...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Question


Here simple code keeps freezing my matlab, guess why?
Hi, the following code keeps my matlab freezed(busy). And it never get solved! y=[9048;4807;3393;2686;2262;1980;1778;1626;...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


loop with fzero
My goal is to derive x from such equation as for i=1:9 z(i)=fzero(@(x)gamma/(R-(1+phi(1)*x)*(1+phi(2)))-tauA2(i)-((1+alpha...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


Simple question. Using 'solve' with vectors
Hi, I am a matlab rookie. Since I am doing simulation work recently, I start to learn matlab from A, again. Here is my quest...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Question


How to bring Quartly format time excel data to matlab
Hi. I'm about to bring time data from matlab. But the problem is that this data is 'quarterly' form such as time 198...

meer dan 13 jaar ago | 2 answers | 0

2

answers

Question


Converting to quarterly time from xls
I have a excel(xls) data in which the first column is time variable (quarterly from 1978q1 to 2011q1). How can I bring this int...

meer dan 13 jaar ago | 1 answer | 0

1

answer

Question


Deriving Max with fmincon when contraints differ
I am about to derive maximum values under linear contraint. Exactly describing Target function is function f = utility...

meer dan 13 jaar ago | 1 answer | 0

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answer