Réponse apportée
Data sharing between two GUIs
You can use setappdata and getappdata http://www.mathworks.com/matlabcentral/answers/95443

presque 12 ans il y a | 0

Réponse apportée
IF statement inside a push button
Assuming rest of the code is right mon1= str2num(get(handles.m1,'string')); The first thing I'll think is that you're get...

presque 12 ans il y a | 0

| A accepté

Réponse apportée
How to pick an integer in a box using up and down arrows in a gui
You can use button with symbols + or -, and add functions like adding or subtracting as a feature. Something like this (very ...

presque 12 ans il y a | 1

| A accepté

Réponse apportée
help with numerical integration
First thing: what are you trying to do with y and r? Your r will be empty as the last value in defining r is a vector. Can yo...

presque 12 ans il y a | 0

Réponse apportée
Finding Mean of a repeated entries Using Matlab.
b = [u,accumarray(ix,zz(:,1))./accumarray(ix,1)]; The second accumarray will be (ix,1) not (ix,2)

presque 12 ans il y a | 1

| A accepté

Réponse apportée
How to merge different customized figures together?
set(hFig, 'Position', [100 250 300 5*80]); for jj = 1:5 h1 = subplot(5,1,jj); % hAxes = set(h1,'XTick',[-1:1:...

presque 12 ans il y a | 0

| A accepté

Réponse apportée
beginner questions about symbols used in formula
The fullstop (.) operator is for element-wise operation. For example: A = [1 2 3 4]; B = [5 6 7 8]; AS you can see t...

presque 12 ans il y a | 1

Réponse apportée
problem using the find function
row and col are the indices in the matrix which have the value you need. Find function just finds the indices which satisfy the...

presque 12 ans il y a | 0

Réponse apportée
Call a matrix in a matrix
You can have cell like this: B = rand(3); C = rand(3); A{1} = B; A{2} = C;

presque 12 ans il y a | 0

| A accepté

Réponse apportée
Vector Equation with scalars?
a = 3; b = 4; x = -3:0.2:2; y = 8*(a^2)./(x.^2+b^2);

presque 12 ans il y a | 0

| A accepté

Réponse apportée
how to write an equation with different period of time
w_t = [25*T 50 250-50*t]; t_range = [0 2 4]; W = w_t(find(t > t_range,1,'last'));

presque 12 ans il y a | 0

Réponse apportée
How do I get the Command Window to recognize variables created in a function?
Because you have to do something like this on the command window: [K,T] = KTBC(n) KTBC is a function that take an input ...

presque 12 ans il y a | 1

| A accepté

Réponse apportée
How to use the "Input" command-- specific problem help
The input command ask for a value from the user, for example A = input('Enter value for h: ') will show on command prom...

presque 12 ans il y a | 0

Réponse apportée
How to resolve ODE system in Matlab using numerical method Runge-Kuta?
First You'll have to make a function for your problem. This function take (time and Y) and will return dy function dy = myf...

presque 12 ans il y a | 0

Réponse apportée
how to do a graph
m = zeros(30,1); a = m; for i=1:30 m(i) = 400*(1.1^i); a(i) = 120*(1.2*i); end plot(m); hold on; plot(1:3...

presque 12 ans il y a | 0

A résolu


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

presque 12 ans il y a

Réponse apportée
set limits using xlim for strings
set(gca,'XTick',1:12,'XTickLabel',{'Jan','Feb','Mar','Apr' .... etc})

presque 12 ans il y a | 0

| A accepté

Réponse apportée
Why do I get an 'Index needs to be positive or logical' error?
Sometimes in matlab, when doing floating point operations which should result in an integer, deviate from it slightly. For examp...

presque 12 ans il y a | 0

| A accepté

Réponse apportée
Replace specific numbers in a matrix
Lets say your matrix is called A, then A(A>90) = Inf; That simple :)

presque 12 ans il y a | 0

| A accepté

Réponse apportée
Transforming vector into triangular matrix
Lets call it A Then A_new = repmat(A,1,48); A_new = tril(A);

presque 12 ans il y a | 0

| A accepté

Réponse apportée
Big O Complexity for Matlab code - Sum of Matrix Operation
Matlab sum without specification of dimension, for a matrix, will be for the column. However for a vector, either row or colu...

presque 12 ans il y a | 0

Réponse apportée
Help with the output of my function
This is because when you input t as a vector, unless all of the values in vector satisfy the condition, it will not go through a...

presque 12 ans il y a | 0

Réponse apportée
save matdata1 Error using save Unable to write file matdata1: permission denied.
This might be because you dont have permission to write in that folder. Try a different directory and see if it still doesn't w...

presque 12 ans il y a | 0

| A accepté

Réponse apportée
How can I calcuate the distance from two selected points?
imdistline Matlab documentation: http://www.mathworks.com/help/images/ref/imdistline.html

presque 12 ans il y a | 1

| A accepté

Réponse apportée
c=(exp((-z^2)/(2*sigma^2)))+mnoise
mnoise = 0.02*randn(251,1);

presque 12 ans il y a | 0

| A accepté

Réponse apportée
How can I solve a simplest order 4 differential equation by 4th order Rung Kutta in Matlab?
See this: http://www.mathworks.com/help/matlab/ref/ode45.html There are few examples there as well to help you through

presque 12 ans il y a | 0

Réponse apportée
Replace zero in a matrix with value in previous row
Lets say your matrix is A [m,n] = size(A); An = A'; valx = find(~An); % This will give you zeros elements linear inde...

presque 12 ans il y a | 0

Réponse apportée
Changing excel range reference
Your xlRange will produce string 'sRowRef:lRowRef' not 'D2:D49'. You should try: xlRange = [sRowRef ':' lRowRef];

presque 12 ans il y a | 0

| A accepté

Réponse apportée
how can I copy multiple Matlab.fig files, each with multiple subplots, into a single plot
You need to get handle for all the subplots in each figure. % First open a new figure hh = figure; % Open First F...

presque 12 ans il y a | 0

Réponse apportée
how to jump from one box to another in Matlab GUI?
Setting tab order: http://www.mathworks.com/help/matlab/creating_guis/setting-tab-order.html http://www.mathworks.com/help...

presque 12 ans il y a | 0

Charger plus