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# MA

Last seen: 5 maanden 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...

meer dan 4 jaar ago | 2 answers | 0

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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 ...

meer dan 5 jaar ago | 1 answer | 0

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ongeveer 7 jaar ago | 0

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) ...

ongeveer 7 jaar ago | 0

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=...

ongeveer 7 jaar ago | 0

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]...

ongeveer 7 jaar ago | 0

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what is non-dominated sorting

ongeveer 7 jaar ago | 1

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Explicit solution could not be found

ongeveer 7 jaar ago | 0

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...

ongeveer 7 jaar ago | 0

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

ongeveer 7 jaar ago | 1

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...

ongeveer 7 jaar ago | 0

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; ...

ongeveer 7 jaar ago | 0

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

ongeveer 7 jaar ago | 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...

ongeveer 7 jaar ago | 0

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)

ongeveer 7 jaar ago | 0

hi, I am Arfaoui Jouda ,a phd in electronic,i need help on genetic programming (genetic algorithm ) ,can you help me please?

ongeveer 7 jaar ago | 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,'...

ongeveer 7 jaar ago | 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,...

ongeveer 7 jaar ago | 1

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...

ongeveer 7 jaar ago | 1

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); ...

ongeveer 7 jaar ago | 0

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...

ongeveer 7 jaar ago | 0

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. ...

ongeveer 7 jaar ago | 1

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

ongeveer 7 jaar ago | 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...

ongeveer 7 jaar ago | 0

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...

ongeveer 7 jaar ago | 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...

ongeveer 7 jaar ago | 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) ...

ongeveer 7 jaar ago | 0

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...

ongeveer 7 jaar ago | 0