Réponse apportée
what's the program mistake?
r=solve(b)

environ 11 ans il y a | 0

| A accepté

Réponse apportée
How do I use the ode45, oder23, and ode15 to solve an ODE?
these are numerical method for solving differential equations. first you should write your function in one editor then use one o...

environ 11 ans il y a | 0

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Help with this code
Tdata = [4 .6458 8 6.2; 5 .3324 13 6.7; 6 .2661 14 6.6; 7 .2216 16.5 5.6; 8 .2...

environ 11 ans il y a | 0

Réponse apportée
how do i plot a graph in xy-plane?
h=6.25*10^(-34); x=-10:10; y=h*x; plot(x,y) grid on

environ 11 ans il y a | 0

Réponse apportée
calculate the inv of a matric with one constant
syms t m = [3*t 0 0; 1 t 0;0 0 t]; inv(m)

environ 11 ans il y a | 0

| A accepté

Réponse apportée
How to find index of first 3 maximum number in matrix
m = [7;1;4;4;12;2;6;10;2]; temp = sort( m, 'descend' ); n = temp(1:3); for i=1:9 if n(1)==m(i) p1=i...

environ 11 ans il y a | 0

Réponse apportée
I want to solve the below mentioned system of ODEs. However I get the warning "Explicit solution could not be found. > In dsolve at 194 " Can anyone explain me why?
you can't solve it unless you have k,g,m parameters

environ 11 ans il y a | 0

Réponse apportée
I want to display name of variable in msgbox instead of its value. for example;
d1=3;d2=5;d3=2; y=[d1 d2 d3]; x=min(y) good luck

environ 11 ans il y a | 0

Réponse apportée
Plot y^2 = x^2 + 1 (The expression to the left of the equals sign is not a valid target for an assignment.)
clear all clc; N = 10000; x = zeros(1,N); y1 = zeros(1,N); y2 = zeros(1,N); x = -5 + (5+5)*rand(1,N); for...

environ 11 ans il y a | 0

| A accepté

Réponse apportée
for loop to sum up the integer
try this: n = randi([5,9]); totalsum = 0; runsum = 0; for i=1:n int = input('Enter an integer between 1 and...

environ 11 ans il y a | 0

| A accepté

Réponse apportée
How do I change the browsing directory, when clicking the 'Open' icon in the editor, to the current working directory?
before open matlab do this: first copy your desired directory then right click on matlab icon, go to "properties" and paste you...

environ 11 ans il y a | 0

Réponse apportée
Please help with following code i am new with matlab and don't understand the error
clear all clc; Eg = input('Enter your value for Eg(T) = '); x = input('Enter your lower range for T = '); y = inpu...

environ 11 ans il y a | 0

Question


i want plot these three function but...
xb = linspace(0,1); ub =- 1.654e-9*xb^24 - 3.277e-9*xb^23 - 8.551e-9*xb^22 - 1.629e-8*xb^21 - 4.667e-8*xb^20 - 8.351e-8...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


How can i involve four cpu on running a program in matlab 2014?
when i use parpool or matlabpool,program uses only extra ram not cpu whatever i do,my program only uses 25% of cpu what should...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


what should i do that matlab show me this polynomial equation as well-behaved function?
p=(1589159942548036497100838460028171539306640625*x^15)/52130638256800268132081172288531220051070714690086221222248448 - (4395...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


what is my mistake?
syms x A=[x 2 1;1 0 -x;5 1 x]; x=-15:.1:15; plot(x,det(A)) grid on

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


Why isn't the program run?
clear all clc; syms x f=sym(zeros(3,1)); g=sym(zeros(3,1)); h=sym(zeros(3,1)); f(1)=x; f(2)=x^3; f(3)=...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Undefined function or variable ' t ',how can I difine ' t ' correctly?
put syms t before giving function F to the program

plus de 11 ans il y a | 0

Question


How can i plot f(i),g(i),h(i) in one figure(i)?
I want to plot each three diagrams in one figure

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


how can i solve this polynomial equation?
clear all clc; syms x A=[x 2 1;1 0 -x;5 1 x]; det(A) r=solve('det(A)==0','x')

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


what's the program mistake?
clear all clc; syms x A=[x 2 1;1 0 -x;5 1 x]; b=det(A) r=solve('b=0','x')

plus de 11 ans il y a | 3 réponses | 0

3

réponses

Question


what's the program mistake?
clear all clc; syms a b c w=zeros(3,1); w(1,1)=3*a+b; w(2,1)=b+2; w(3,1)=c-a; disp(w) b=3; disp(w)

plus de 11 ans il y a | 1 réponse | 0

1

réponse