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Accept 20 answers given by other contributors
Awarded to ly on 18 Aug 2021
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How to find the coordinate of the point on (180) contour line when y(max)?
How to find the coordinate of the point on (180) contour line when y(max)? Code of the contour line: clear x = 0:0.1:3; y = ...
3 Monate vor | 2 Antworten | 0
2
AntwortenFrage
How to calculate the area between X-Axis, Y-Axis and the (60) contour line?
How to calculate the area between X-Axis, Y-Axis and the (60) contour line? Code of the contour line: x = 1:0.2:2; y = 1:0....
3 Monate vor | 1 Antwort | 0
1
AntwortFrage
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....
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Define relationship between variables in an equation
An equation has two variables d and t. eqn = ((t - 21/2)*(d/2 - (20898604612049288806642049279907*t)/70957580590508366543483568...
fast 3 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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?
mehr als 4 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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=...
mehr als 4 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
mehr als 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
mehr als 7 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
fast 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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. <<...
fast 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
mehr als 8 Jahre vor | 5 Antworten | 0
5
AntwortenFrage
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 ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Insert a string in a code to export a figure
Hi, This is code: ... name='location'; options.Format = 'tiff'; hgexport(gcf, 'name.tif', options); .... ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 ...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to get value from cell
I have a cell like this: ... 'ITEM:' '0' 'ITEM:' '75' 'ITEM:' '-0.0001174' '2.1593e-005' '-10' 'IT...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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 ...
mehr als 8 Jahre vor | 2 Antworten | 1
2
AntwortenFrage
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); ....
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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 =...
mehr als 8 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
mehr als 8 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Display µm not correct in figure in Matlab
I use Matlab 2011b I have code for figure like this: ... set(0,'DefaultAxesFontName', 'Times New Roman') set(0,'DefaultAxesF...
mehr als 9 Jahre vor | 3 Antworten | 0
3
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