Respondida
updating handles in gui/guide for webcam
Christian, I solved a similar problem by removing the associated field of the |handles| object. So essentially (and following...

alrededor de 9 años hace | 0

Respondida
how to display all iterations in one matrix...below is the code which i run and get the value of z in separate vectors..how to combine them in one.
Quick and dirty: z = []; for x = E1 for y = E2 f = C*(DP1*x+DP2*y); z = [z; x y f] end end

alrededor de 9 años hace | 1

| aceptada

Respondida
ode45 Event Option
Duncan, I put the entire code into one file and slightly changed the code (ode calls), see attachment. Works for me. One more...

alrededor de 9 años hace | 0

Respondida
How can I plot a function with parametric if (change between parameters)
Chris, this should do the trick r = 0:0.1:20; r0 = 12.5; t = 39.64*(r<=r0) + 51.4875*exp(0.14*(16.37 - r)).*(r>r0); ...

alrededor de 9 años hace | 0

| aceptada

Respondida
Using a matrix of solution elements outside of ode45
Duncan, how about simply re-building the matrix after the |ode45|-call? I assume all those variables are dependent on time, dist...

alrededor de 9 años hace | 0

Respondida
plotyy: problem with ticks
Marco, still not quite sure about the end result. How about adding set(ax(1),'YLim',[minimum_left, maximum_left]) set(ax(2...

alrededor de 9 años hace | 1

| aceptada

Respondida
How to access number of rows in one step?
Try size(theMatrix,1)

alrededor de 9 años hace | 1

| aceptada

Respondida
how can i find the location of the largest element in a 2-D matrix not in a column or row matrix?
Navneet, e.g. A = [1 2 3; 2 3 4; 3 2 1] A = 1 2 3 2 3 4 3 2 1 [row,col] = fin...

alrededor de 9 años hace | 1

| aceptada

Respondida
Help with solve please
Jonathan, use <https://www.mathworks.com/help/optim/ug/fsolve.html |fsolve|> instead.

alrededor de 9 años hace | 0

Respondida
Problem about plotting 2D about multiple of functions
Amin, use instead y = floor(sin(x)) .* floor(x); % notice the period before the * This allows you to do element-wise mult...

alrededor de 9 años hace | 1

| aceptada

Respondida
rlocus showing overshoot, step showing none?
Robert, the overshoot information that is shown in the root locus plot needs to be taken with a grain of salt. It essentially on...

alrededor de 9 años hace | 1

Respondida
How to redirect user if they enter an incorrect input
Bree, without knowing the structure of your program I would suggest using a <https://www.mathworks.com/help/matlab/ref/while.htm...

alrededor de 9 años hace | 3

Respondida
Logical indexing: More than two conditions
Do you mean x = -10:10; y = (x>=0 & x~=2).*x.^3 + (x<0).*x.^2 + (x==2).*x

alrededor de 9 años hace | 2

| aceptada

Respondida
my laptop doesnt have enough storage for install the matlab ,there is no portable matlab available?
Elmira, depeding on your license you might have access to <https://www.mathworks.com/products/matlab-online/ MATLAB Online> and ...

alrededor de 9 años hace | 1

Respondida
ode45 and additional parameters - Growth Equation
Victor, check out the following: function myODE() tspan = [0 25]; % y0 = [1 1]; % these are the initial conditi...

alrededor de 9 años hace | 1

| aceptada

Respondida
How to draw a polar graph from r=0?
Yuval, looks like you only need to increase the number of data points (|theta|): theta = 0:0.001:2*pi; or something like ...

alrededor de 9 años hace | 0

| aceptada

Respondida
For simple transfer function getting different result in matlab code and simulink for same pid values.
Sadeep, Fig 1. looks very much like the step input (rather than the step response). Compare this figure to g = tf(1,1) g =...

alrededor de 9 años hace | 0

Respondida
Trying to plot the surface and contour plot (surfc) of the temperature distribution of a 1x1 metal plate that goes from (0,0) to (1,1), while it's heated to 100 degrees C on the corner (1,1). THANK YOU!!
Brandon, use x = linspace(0,1); y = linspace(0,1); [xG,yG] = meshgrid(x,y); T = 100*(exp((-0.1)*((xG-1).^2))).*(exp((-0....

alrededor de 9 años hace | 1

| aceptada

Respondida
Why wont the divide operator work?
Julia, are you showing all the code? Looks like the variable |a| is not defined. As for the plot command: one of the round br...

alrededor de 9 años hace | 0

Respondida
My code is producing two answers, but it is only supposed to print one.
DJ, the function is only returning only one variable, |payment|. |pay2| is only displayed because there is no semi-colon afte...

alrededor de 9 años hace | 0

Respondida
Matlab function holding first value?
Hi Péter, this is explained well in the documentation <https://www.mathworks.com/help/matlab/matlab_prog/anonymous-functions.htm...

alrededor de 9 años hace | 1

Respondida
problem with reduceDifferentialOrder -> massMatrixForm -> odeFunction
Carlos, the <http://www.mathworks.com/matlabcentral/fileexchange/49796-euler-lagrange-tool-package Euler-Lagrange tool package> ...

alrededor de 9 años hace | 0

Respondida
phase plane in MATLAB?
Hello, check out the code below: function my_ODE() th0 = 0; Dth0 = 1; tspan = linspace(0,2,200); o...

alrededor de 9 años hace | 1

| aceptada

alrededor de 9 años hace | 0

Respondida
Hi, what should I do to get the 'Not enough input arguments'-error,
Rebecca, yes. Use something like function d = inputErrorCheck(a,b,vargin) switch nargin case 3 if ...

alrededor de 9 años hace | 0

Respondida
If I have a matrix of 100 rows by 5 columns, how can I make it a 1 row x 500 column matrix, where each row (1x5) is placed one after the other to make a 1x500 matrix?
Use the <https://www.mathworks.com/help/matlab/ref/reshape.html |reshape|> command.

más de 9 años hace | 0

Respondida
How to use fmincon on an symbolic integral function
Sylvia, use <https://www.mathworks.com/help/matlab/ref/integral2.html |integral2|> in combination with |fmincon|.

más de 9 años hace | 0

Respondida
Problem with using ode45 event option
Sourav, you need to improve the accuracy of the integration. E.g. this seems to work: options = odeset('RelTol',1e-7,'AbsTol...

más de 9 años hace | 0

| aceptada

Respondida
problem with symbolic to function handle
How about syms x y z f = x*y*z+x*2*y; G = gradient(f); m = matlabFunction(G); [X,Y,Z] = meshgrid(-3:1:...

más de 9 años hace | 1

Respondida
How can I graph all the values of n in the while loop ? Theres my program.
Something like this? Not quite sure what you want your x-axis to be. n = input('Enter a natural number'); cont=1:1:n; ...

más de 9 años hace | 0