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

oltre 9 anni fa | 0

| accettato

Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

Risposto
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

oltre 9 anni fa | 0

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

oltre 9 anni fa | 0

| accettato

Risposto
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...

oltre 9 anni fa | 0

Risposto
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

oltre 9 anni fa | 0

Risposto
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

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

| accettato

Risposto
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...

oltre 9 anni fa | 0

| accettato

Risposto
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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

Domanda


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...

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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)=...

quasi 10 anni fa | 1 risposta | 0

1

risposta

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

quasi 10 anni fa | 0

Domanda


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

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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')

quasi 10 anni fa | 1 risposta | 0

1

risposta

Domanda


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')

quasi 10 anni fa | 3 risposte | 0

3

risposte

Domanda


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)

quasi 10 anni fa | 1 risposta | 0

1

risposta