Respondida
How to save all variables in for loop
Try load(i,:)=com(i,1)*sin(com(i,2)*t);

casi 5 años hace | 0

Respondida
How to handle a variable inside matrix without using syms toolbox?
Are you looking for somethig like this; f = @(w) [1,-0.1409*w^2;0,1]*[1,0;1/286.48,1]*[1,-0.05493*w^2;0,1]... *[1,0;1/1793...

casi 5 años hace | 0

| aceptada

Respondida
Issues in For loop
Have you intialised j (i.e. set j = 1;) before going into the for i = 1:38976 loop?

casi 5 años hace | 0

Respondida
How can I randomize cube positions in matlab?
Like this? E=1; N=3; Nsamples=10; d=randi(N,1,Nsamples); s=randi(2,1,Nsample...

casi 5 años hace | 0

| aceptada

Respondida
How can I add the percentage result on plotted figure ?
doc text

casi 5 años hace | 0

Respondida
how to I solve 2 eqns with 2 unknowns and plot 5 plots according to these solutions?
Here's a possible way. Only you will know if the results make sense deltaGrxn_std_rxn1 = -24800; %(J/mol) deltaHrxn_std_rxn1 ...

casi 5 años hace | 0

Respondida
Why do I get different results from the numerical solution and the analytical solution with ODE15S? The numerical solution looks smoother than the analytical one
% replace m_Soil = m_Soil_initial .* exp(- k1(i) .* t_measured(i+1)); % by m_Soil = m_Soil_initial .* exp(- k1(i) .* (t_mea...

casi 5 años hace | 1

| aceptada

Respondida
Why do I get different results from the numerical solution and the analytical solution with ODE15S? The numerical solution looks smoother than the analytical one
Much easier to follow! Your "analytical" solution is incorrect for "constants" that change with time. See the following %% Re...

alrededor de 5 años hace | 0

Respondida
must return a column vector
Do you want something like this sp=-0.5:0.5:14.5; for i = 1:length(sp) [t,y(:,i)]=ode45(@(t,y) phy_ode_1(t,y,sp(i)),0:0.5:1...

alrededor de 5 años hace | 1

| aceptada

Respondida
Finding a range of data greater than 0.1
There must be a neater way, but the following might help: X = [ 0.02 0.17 0.32 0.28 0.04 -0.07 -0.01 -0.19 -0.45 ....

alrededor de 5 años hace | 0

| aceptada

Respondida
How to use ode45 with a time dependant second order differential equation
Turn your second order equation into two simultaneous first order equations.

alrededor de 5 años hace | 0

Respondida
how can i solve this problem with rk4 method?
If m=20, k=20, c=40 then function f should be f = -(c/m)*v - k/m f=@(t,x,v) -2*v -x; %dvdt

alrededor de 5 años hace | 0

| aceptada

Respondida
How to solve a function with different ranges
Try C_ox = [16;15;7.5;2;7.5;15;15]; C_ox(C_ox<=15)=C_ox(C_ox<=15)/15; C_ox(C_ox>15)=1

alrededor de 5 años hace | 0

Respondida
how can i solve second order ODE with RK-4 without using a built in function in matlab?
This K11 = RK4(t(i), y1(:, i)); should be | K11 = RK4(t(i), y(:, i)); and this f12 = -3*y(1)+30*t+10; ...

alrededor de 5 años hace | 0

| aceptada

Respondida
How to design the membership function in matlab?
How about the following for rule 3 (I'll leave you to invert for rule 4). x = [-180 -90 -89.001 89.001 90 180]; y = (x+180)/90...

alrededor de 5 años hace | 0

| aceptada

Respondida
Help for plotting graph. Can someone help me?
In your while loop you don't update either nErrorsBitsW or nErrorsBitsInf so they always stay at 0, and never reach minNbits.

alrededor de 5 años hace | 0

Respondida
how I can insert these specific colours into my figures
Do you mean something like this? newcolors = [0 0.4470 0.7410; 0.8500 0.3250 0.0980; 0.9290 0.6940 0.1250...

alrededor de 5 años hace | 2

| aceptada

Respondida
Transpose x from a row vector to a column vector using the transpose operator. The program is prompting the x does not have correct values. the code i have entered is below
You probably meant x = [1:5]; % ie the ; is after the ] However, it seems to work ok for me as you wrote it!

alrededor de 5 años hace | 0

Respondida
Replace a entry of a table of Bisection Method for a specific term
Try using NaN or [ ];

alrededor de 5 años hace | 0

| aceptada

Respondida
Plotting the intersection of a composition function
Do you mean something like this? Sfn = @(x) (x+1/4).*(x<=1/2) + (x+3/4).*(x>1/2); x = linspace(0,1,100); n=10; S = zeros(n,n...

alrededor de 5 años hace | 0

Respondida
Sun Synchronous with For Loop
When I run the program you've listed above it produces the graph you show!

alrededor de 5 años hace | 0

| aceptada

Respondida
Integration of a function with variable parameter
Do you mean something like this? H = @(tau, lam, tt) lam./exp(tt-tau); T=50; step=1000; h=T/step; t=0:h:T; lambda = rand(1...

alrededor de 5 años hace | 0

| aceptada

Respondida
How to get sinusodial behaviour from 2nd order ode using function handle?
You coud try implementing the function along these lines (obviously, you will need to use your own values for alpha etc): alpha...

alrededor de 5 años hace | 0

Respondida
How to find absolute maximum value of (x*(x-.25)*(x-.5)*(x-1))
You could just do something like gx = @(x) ((x.^4) -(1.75*x.^3)+(0.875*x.^2)-(0.125*x)); X = roots([4, -5.25, 1.75, -0.125]); ...

alrededor de 5 años hace | 0

Respondida
I want to see N,M first and then K,M in the same legend. I can see only N,M like the attached picture.
Do you mean like this? N = [10 20 30 40 50]; M = [1 2 3 4 5]; K=[1 3 5 6 7]; x = linspace(0, 1, 17); legendString = "N = " ...

alrededor de 5 años hace | 0

| aceptada

Respondida
How to take integral with for loop?
Add the command I = sum(final); after the loop.

alrededor de 5 años hace | 0

| aceptada

Respondida
Solving queue problem iterating through array
Try Lock19(Lock19~=-5)=0; Lock19(Lock19==-5)=3;

alrededor de 5 años hace | 0

Respondida
Sum of even numbers
Like so s = test(6); disp(s) function s = test(n) if n <= 0 %for n<= 0 the result would be 0 s = 0; els...

alrededor de 5 años hace | 0

Respondida
Stopping ode45 when encountering errors and retrieving results
The following makes your example work. However, I suspect your real problem is more complicated. If so, you should upload it. ...

alrededor de 5 años hace | 0

Respondida
After comma precision tracking for if statement
Here's one possibility a=85.0093792283283; b=85.0093791964294; a = floor(a*10^3); b = floor(b*10^3); if a==b disp('n...

alrededor de 5 años hace | 0