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Joon Jeon
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Professional Interests: Economics, Environment, DICE, IAM analysis
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Question
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...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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 ...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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. ...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 12 år ago | 1 answer | 1
1
answerQuestion
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(...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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;...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 12 år ago | 2 answers | 1
2
answersSimple 2D plot; Any way I can use String for xtick?
I added xlim([0.8, 4,2]); to make it look neater.
mer än 12 år 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,...
mer än 12 år ago | 2 answers | 0
2
answersQuestion
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;...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 12 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 13 år ago | 2 answers | 0
2
answersQuestion
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...
mer än 13 år ago | 1 answer | 0
1
answerQuestion
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...
mer än 13 år ago | 1 answer | 0