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Last seen: 11 months ago Active since 2014

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Plotting a closed volume by connecting my points together
*I have coordinates of some points and by connecting them in 3D, I want matlab gives me a closed volume, not just connecting the...

5 years ago | 2 answers | 0

2

answers

Question


Subtracting the two resulting graghs of my ode program
I have two second order differential equations. I solved them with Ode45, but I want to subtract the two resulting answers from ...

6 years ago | 1 answer | 0

1

answer

Answered
i need adaptive simulated annealing
These links may help you <http://www.mathworks.com/matlabcentral/fileexchange/10548-general-simulated-annealing-algorithm> ...

7 years ago | 0

Answered
Calculating the maintenance costs over (x) amount of years
sum is a built-in matlab function, you should name your function or matric something else like *cost* cost = accumYears(x) ...

7 years ago | 0

Answered
Generalized eigenvectors not orthogonal
They are orthogonal, what is the problem? clear all close all clc; A=randn(10); B=randn(10); AA=A+A'; BB=...

7 years ago | 0

Answered
Solving set of 2 equations doesn't give a numerical solution
clc clear all close all syms x y eq1 = 2*x+3-7*y; eq2 = 2*y*7-123-2*x; S= solve(eq1,eq2,x,y); S=[S.x S.y]...

7 years ago | 0

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Answered
what is non-dominated sorting
Maybe these links can help you: <http://www.cleveralgorithms.com/nature-inspired/evolution/nsga.html> <http://www.mathwork...

7 years ago | 1

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Answered
Explicit solution could not be found
<< <</matlabcentral/answers/uploaded_files/21389/3d.jpg>> >> <</matlabcentral/answers/uploaded_files/21390/2d.jpg>> ...

7 years ago | 0

Answered
Triple integral found sym ?
fist of all your function hasn't written correct syntactically, then you can use this code: syms s gamma1 gamma2 y=f(s,g...

7 years ago | 0

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Help with for loop
you have common mistakes,here your correct code: clear all close all clc; f1 = 100; % The lower frequency in c...

7 years ago | 1

Answered
How to solve 7 unknowns with 7 equations with ln
clear all close all clc; syms nMj nMk pHj pMj pHk pMk Am eq1=50-nMj-nMk; eq2=500-pHj-pMj; eq3=20-pHk...

7 years ago | 0

Answered
Simple subtraction from column/row - HELP
clear all close all clc; A=[50;50;50]; a=5; for i=1:a-1 A(1,i+1)=A(1,i)-a;A(2,i+1)=0;A(3,i+1)=A(1,i)-a; ...

7 years ago | 0

Answered
Error with matrix dimensions
you have two mistake: prevHist = zeros(256*3,1) and diffHist(i) = sqrt(sum((currHist - prevHist).^2)) your correct...

7 years ago | 0

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Answered
Error with matrix dimensions
you have two mistake: prevHist = zeros(256*3,1) and diffHist(i) = sqrt(sum((currHist - prevHist).^2)) your correct...

7 years ago | 0

Answered
I have an Anonymous Function and want to integrate it
clear all close all clc; syms x A=[x 2*x;3*x 4*x]; int(A(1,1),0,1)

7 years ago | 0

Answered
hi, I am Arfaoui Jouda ,a phd in electronic,i need help on genetic programming (genetic algorithm ) ,can you help me please?
May be you can find your answer in this link: <http://www.mathworks.com/matlabcentral/fileexchange/index?utf8=%25E2%259C%...

7 years ago | 0

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Answered
How to combine 2 functions in one graph with different line
clear all close all clc; t=0:0.1:5; x1=6*sin((5.6309*10^9)*t); x2=sin((5.6309*10^9)*t); plot(t,x1,'b',t,x2,'...

7 years ago | 0

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Answered
How to compute factorial if input is vector or matrix?
format long g A=[1 2 3 50;4 5 6 2;9 8 7 11]; for i=1:size(A,1) for j=1:size(A,2) A(i,j)=factorial(A(i,...

8 years ago | 1

Answered
how to exchange matrix rows depending on distance
clear all close all clc; A=[11 22 33 44;0 14 15 16]' B=[66 77 88 99;0 16 19 14]' for i=1:4 if A(i,2)<B(i...

8 years ago | 1

Answered
sqrt and norm doesn't return exact value
syms x y f=@(x,y)((x-1)^2+10*(y-x^2)^2); vpa(f(-1,2)) fx=gradient(f,x); fx=subs(fx,x,-1); fx=subs(fx,y,2); ...

8 years ago | 0

Answered
Help me about creating table in matlab ?
format short g x = [1;2;3;4;5]; y = [12;11;24;18;20]; z = [1.2;2.4;3.4;5.0;4.1]; A=[x y z]; disp(' ord...

8 years ago | 0

Answered
Could someone please provide me a demo code for cognitive radio network?
clc; close all; clear all; %This program is for optimization of spectrum sensing in %Cognitive radio network. ...

8 years ago | 1

Answered
Grading the students performance.
%w=wrong %c=correct %o=unanswered syms w c o s=0; for i=1:5 g(i)=input('answer= '); if g(i)==w ...

8 years ago | 1

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Answered
Programmatically change external mode data archiving directory
writing your desired directory with cd code in the command window, for exmaple my directory is C:\peace\one , you should write c...

8 years ago | 0

Answered
how to run an already written code?
open your matlab program then click on open file icon on the top of program, it open new window for you then choose yor m-file f...

8 years ago | 0

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Answered
How to convert an equation from z-plane to w-plane in MATLAB
syms z w G=(2*(z.^3)-4.424*(z.^2)+3.3634*z-0.8721)/((z.^4)-3.037*(z.^3)+3.425*(z.^2)-1.6935237*z+0.3084332); GN=subs(G,z...

8 years ago | 0

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Answered
Transfer function with time delay, transcendental transfer function
clear all close all clc; k1=1;k2=1;w=.5;z=2; s=tf('s'); H = (-(((s^2)+(k1+k2)*s)/(w*(s+k2)))*z); bode(H) ...

8 years ago | 0

Answered
Hi, I am new to matlab and i want to generate a voltage sag signal using m-file using the following equation
t=0:0.0001:2; f=2; A=1.0; W=2*pi*f; x=A*sin(W.*t); u=inline('t>=0'); a=0.6; t1=12; t2=24; x1= (1-a*(u(t-t...

8 years ago | 0

Answered
how to create on an efficient way zeros in a symbolic matrix?
syms x n=4; A=sym(zeros(n,2)); A(:,1) = zeros(n,1); A([1:n-1],2) = 0; A(n,2) = x; A

8 years ago | 2

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Answered
use any/all test with while loop in range 0:1:10
try this clear all clc; grades = input('Please enter the vector of your grades:') A =[0:1:10]; while grades > A...

8 years ago | 0

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