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Last seen: 2年以上 前 2014 年からアクティブ

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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...

6年以上 前 | 2 件の回答 | 0

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質問


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 ...

7年以上 前 | 1 件の回答 | 0

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

9年以上 前 | 0

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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) ...

9年以上 前 | 0

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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=...

9年以上 前 | 0

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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]...

9年以上 前 | 0

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

9年以上 前 | 1

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

9年以上 前 | 0

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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...

9年以上 前 | 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...

9年以上 前 | 1

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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...

9年以上 前 | 0

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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; ...

9年以上 前 | 0

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

9年以上 前 | 0

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

9年以上 前 | 0

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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)

9年以上 前 | 0

回答済み
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%...

9年以上 前 | 0

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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,'...

9年以上 前 | 0

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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,...

9年以上 前 | 1

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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...

9年以上 前 | 1

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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); ...

9年以上 前 | 0

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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...

9年以上 前 | 0

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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. ...

9年以上 前 | 1

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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 ...

9年以上 前 | 1

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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...

9年以上 前 | 0

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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...

9年以上 前 | 0

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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...

9年以上 前 | 0

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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) ...

9年以上 前 | 0

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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...

9年以上 前 | 0

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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

9年以上 前 | 2

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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...

9年以上 前 | 0

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