Statistics
RANK
11 809
of 273 165
REPUTATION
3
CONTRIBUTIONS
30 Questions
1 Answer
ANSWER ACCEPTANCE
66.67%
VOTES RECEIVED
1
RANK
of 18 447
REPUTATION
N/A
AVERAGE RATING
0.00
CONTRIBUTIONS
0 Files
DOWNLOADS
0
ALL TIME DOWNLOADS
0
RANK
of 122 581
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
Accept 20 answers given by other contributors
Awarded to ly on 18 Aug 2021
Content Feed
Question
Find maximum of function with 3 variables
How to find maximum of function with 3 variables? -1<= x1 x2 x3 <=1 function =78.4802 + 5.9976*x1 - 1.94506*x2- 1.7211*x3 - 6....
mer än ett år ago | 1 answer | 0
1
answerQuestion
How to put "."after variables in a function for mesh command
nc=10; [D,delta_z] = meshgrid(((-1:1/nc:1)*2.5+7.5)*1.68,((-1:1/nc:1)*0.4+0.6)*1.68); y1=(7497*D)/3125 - (97253*delta_z)/20000...
mer än ett år ago | 1 answer | 0
1
answerQuestion
Display 3D graph for a function
Display a 3D graph for a function x3 = 0; nc=10; y1 = 43.5943 - 12.5921*x1 + 4.08342*x2 + 3.6128*x3 + 14.4637* x1^2 + 9.3*x...
mer än ett år ago | 1 answer | 0
1
answerQuestion
Define relationship between variables in an equation
An equation has two variables d and t. eqn = ((t - 21/2)*(d/2 - (20898604612049288806642049279907*t)/70957580590508366543483568...
mer än ett år ago | 1 answer | 0
1
answerQuestion
GA: TolFun and constraint violation is less than options.TolCon. Attempted to access allX1(93); index out of bounds because numel(allX1)=9.
Hi, GA was applied to solve a problem with two discrete variables. A message appeared after running GA_1.m Optimization ...
ungefär 3 år ago | 0 answers | 0
0
answersQuestion
define discrete variables in GA Matlab R2012b
Can I define discrete variables in GA in Matlab R2012b? If it is possible and how to do it?
ungefär 3 år ago | 0 answers | 0
0
answersQuestion
Error when GA code was used in R2012b
I used GA tool with eval_1 and constr_1 and got the result. But it has a problem with the code: function [x,fval,exitflag...
ungefär 3 år ago | 0 answers | 0
0
answersQuestion
How to define discrete variables in GA (genetic algorithm)
Hi, I need to optimize a function has four variables by GA tool (genetic algorithm). Two variables are continuous like: x1=...
ungefär 3 år ago | 1 answer | 0
1
answerQuestion
How to apply inverse function in Matlab 2011b
Hi, I have a function y=f(x,A,R,v,g,E): <</matlabcentral/answers/uploaded_files/80660/Quang%20function.jpg>> I want...
mer än 5 år ago | 0 answers | 0
0
answersQuestion
How to set ytickslabel in graph version R2011b
Hi, The graph has ylim([-1 1]) in y axis. Values are displayed -1 -0.5 0 0.5 1 in y axis How to set ytickslabel in graph...
nästan 6 år ago | 1 answer | 0
1
answerQuestion
Define a variable from an equation
Hi, I have an equation with x and y are variable and a, b and d are constant. <</matlabcentral/answers/uploaded_files/6377...
ungefär 6 år ago | 2 answers | 0
2
answersQuestion
Fitting an equation with x,y variables and b, d constant.
Hi, I have an equation. <</matlabcentral/answers/uploaded_files/63504/KakaoTalk_20161117_112325194.png>> x=[10,50,100...
ungefär 6 år ago | 2 answers | 0
2
answersQuestion
How to define a constant velocity of second order system in a limited time in Simulink
Hi all, I want to simulate a model (Mass, Spring and Damper) which is considered a second order system. A Mass was applied...
mer än 6 år ago | 0 answers | 0
0
answersQuestion
Input string to a matrix or a cell
Hi, I have a string and want to input it to a matrix or a cell. string: name matrix: A(2,3) cell: data{2}(2,4); C...
mer än 6 år ago | 1 answer | 0
1
answerQuestion
Calculate area between y = 0 and the curve plotted by discontinuos data
Hi, I have a curve like graph. I want to calculate the area between y = 0 and the curve ploted by discontinuous data. <<...
mer än 6 år ago | 1 answer | 0
1
answerQuestion
About color of multi curve
Hi, I want to change color of curves automatically for i=1:3 plot(x,y,'color');hold on; end color=b...
nästan 7 år ago | 1 answer | 0
1
answerQuestion
How to display y=0 in figure
Hi, I want to display like the figure. <</matlabcentral/answers/uploaded_files/43879/figure.gif>> How to display ...
ungefär 7 år ago | 5 answers | 0
5
answersQuestion
How to divide a matrix by a number
Hi, I have a function like: r=[0.1:0.1:10]; E=1/(r^3); How to get value E with correct command. I try several ...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
Plot figure with 3 matrix 1D x y z like a surface
Three matrices are x y z coordinates for a figure. ... x=[1:10] y=[11:20] z=[21:30] ... Which command can be used ...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Insert a string in a code to export a figure
Hi, This is code: ... name='location'; options.Format = 'tiff'; hgexport(gcf, 'name.tif', options); .... ...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Insert a string into code
I want to insert a string in to code: ... name='time'; filename = 'name_v1.txt'; ... Can the 'time' be inserted ...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to get value from cell
I have a cell like this: ... 'ITEM:' '0' 'ITEM:' '75' 'ITEM:' '-0.0001174' '2.1593e-005' '-10' 'IT...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
Read file txt and input value in Matlab
Hi, I want to read txt file and input value in Matlab. I use "dlmread" but it is always error: "Error using dlmread (line ...
mer än 7 år ago | 2 answers | 1
2
answersQuestion
Solve eqn and get real part of solution in MatLab R2011b
I use MatLab R2011b and want to solve an eqn and get the real part of solution. This is the code: ... s=solve(y); ....
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Solve eqn and get real solution
I want to solve an eqn and get the real solution. This is the code: ... s=solve(R_); ... And this is solution: s =...
mer än 7 år ago | 2 answers | 0
2
answersQuestion
Optimize function (find the minimun value of function of s, s is variable)
I have a function of (s): Rl_f = 1/((- (5731525556631357*s^6)/147573952589676412928 + (21989195558260875*s^5)/18446744073...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
About Fit a Two-Term Exponential Model
Hi, 1. What does 'StartPoint' mean in this code: f = fit(x,y,'exp1','StartPoint',[1,2]) plot(f,x,y) 2. The blue and bla...
mer än 7 år ago | 0 answers | 0
0
answersQuestion
Run a short code in a big program
Hi! I have a big program about 250 rows. It is included 3 parts. Part 1 is from 1-60 rows, Part 2 is from 61-150, Part 3 is t...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Read data in log.lammps from LAMMPS to Matlab
I simulate by LAMMPS and have a log.lammps file. Now I want to use data from this file to Matlab. How can I read data to Matla...
mer än 7 år ago | 1 answer | 0
1
answer
You can also select a web site from the following list:
Americas
- América Latina (Español)
- Canada (English)
- United States (English)
Europe
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
Asia Pacific
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)