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

oltre 10 anni fa | 0

| accettato

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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 10 anni fa | 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...

oltre 10 anni fa | 0

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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 10 anni fa | 0

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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 10 anni fa | 0

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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 10 anni fa | 0

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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 10 anni fa | 0

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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 10 anni fa | 0

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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 10 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 10 anni fa | 0

| accettato

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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 10 anni fa | 0

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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 10 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...

oltre 10 anni fa | 1 risposta | 0

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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...

oltre 10 anni fa | 1 risposta | 0

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Domanda


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

oltre 10 anni fa | 1 risposta | 0

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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

oltre 10 anni fa | 1 risposta | 0

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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 11 anni fa | 1 risposta | 0

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

quasi 11 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 11 anni fa | 1 risposta | 0

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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 11 anni fa | 1 risposta | 0

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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 11 anni fa | 3 risposte | 0

3

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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 11 anni fa | 1 risposta | 0

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