Answered
How to find vector elements between two values, efficiently
Do you need the actual indices or the values? If you only need the values, then it would probably be faster to do: A(A(:...

15 years ago | 4

| accepted

Answered
Multiple choices in a listbox
If you set 'min' to 0 and 'max' to 10, you will be able to select multiple strings. Once you have that you can get the choices ...

15 years ago | 1

| accepted

Answered
how to plot multiple graphs on one figure
There is probably a better way to do this, but here is what I did. I made a text file that looks like this (as you describe): ...

15 years ago | 0

Answered
Plot data from a double class array
plot(array(:,1),array(:,2)) If you don't like that for some reason, you could do: ac = mat2cell(array,size(array,1),[1 1])...

15 years ago | 2

| accepted

Answered
GUI text box - Replacing a word entered in the text box.
str = '10*x(n)' str2 = strrep(str,'n','1')

15 years ago | 0

| accepted

Answered
how to solve a system of equations?
% Choose some values: J = rand(21); B = rand(21,1); F = rand(21,1); % Calculate X based on J*X = J*B-F X = J\(J*...

15 years ago | 0

Answered
Export level along with coordinates from contour figure datatips?
Although I think you could alter the built-in M-code to do what you want, I would probably do this instead. I called this: ...

15 years ago | 0

| accepted

Answered
How do I fix the code of my program
I am not sure what you are trying to say about a mean value, but I think you are basically wanting to make this: theta = l...

15 years ago | 1

| accepted

Answered
Count frequency of number in set time period
responses = round(rand(1,10)*2) % An example data set times = 1:10; % Example time set... % Count responses equal to 1...

15 years ago | 0

Answered
Double summation with vectorized loops
Here is a vectorized version, but I must say that I would have probably just went with Jan's FOR loop. It seems you need to see...

15 years ago | 1

Answered
How do I avoid creating intermediate variables?
Is your complaint about the extra typing, or the extra variable in the workspace? If the latter, then one way to avoid this kin...

15 years ago | 0

Answered
zero crossing
x = 0:.01:2*pi; f = @(x) sin(x).*cos(x); % A randomly chosen function. % Next find the zero crossings of f(x)... rt = [...

15 years ago | 1

Answered
Set BackgroundColor to 'none'
c = get(hparent,'color') % For a figure. 'backgroundcolor' for others. set(hobj,'backgroundcolor',C)

15 years ago | 0

Answered
using function input to create a title
N = 5; % An integer to use in the string below... str = sprintf('nameoffile%i.dot',N) % Make a string. % Use the above f...

15 years ago | 0

| accepted

Answered
Integration by matlab
Use this instead: M=quadv(X,0,(2*pi)); % % % In the future, you need to be more specific than just saying that you have ...

15 years ago | 1

| accepted

Answered
Matlab Percentile function VS excel percentile function
I don't see a PERCENTILE function in MATLAB. Is it a custom function you wrote?

15 years ago | 0

Answered
Simplifying MODULUS code
The way you have defined B (and Space), your FOR loops are equivalent to these: for r = 1:Rows % For every row in grid ...

15 years ago | 0

Answered
ButtonGroup
The lines I changed are marked with a %% function [] = test(varargin) N.fh=figure('units','pixels',... 'posit...

15 years ago | 1

| accepted

Answered
Trigonometric Interpolation
clc; N = 6; x = (2*pi*(0:N-1))./N; y = cos(x); x_fein = -2:0.01:2; yy = triginterpol(y, x_fein); plot(x_fein, yy/N...

15 years ago | 0

Answered
How to print axes area on GUI?
This works on my computer, you may have to tweak a few things. close all figure('units','pix','pos',[200 200 850 750]) ...

15 years ago | 1

Answered
How send to back patch objects in a graph?
Simply change the order of objects in the children property of the axes object. set(gca,'children',flipud(get(gca,'children'...

15 years ago | 11

| accepted

Answered
horzcat different size rows; zero padding
A = [1,2,3,4].'; B = [1 2 3 4 5 6].'; C = zeros(6,2); C(1:length(A),1)= A % Fill first column with A C(1:length(B),2)...

15 years ago | 0

Answered
Shannon fano coding
There are *_several_* errors in this code. # Missing opening parenthesis on line 2. # Extra comma on line 2 (or missing first a...

15 years ago | 0

Answered
Length of the longest continuous string of the same number
Here is one way to do it. A = [5;5;1;2;3;4;5;5;5;5;6;7;8].'; % Transpose to row vector. [M,V] = regexp(sprintf('%i',[0 d...

15 years ago | 1

| accepted

Answered
Convert RGB to GRAY
Perhaps you mean RGB2GRAY. I don't know of any RGBTOGRAY function.

15 years ago | 0

| accepted

Answered
how do i write a function which recognize user-defined functions and plots the results in my gui
The error from t^2 is because the user did not enter a vectorized function. The user should enter: t.^2 (notice the dot). How...

15 years ago | 1

Answered
Contributors metainfo: reputation and more
Congrats to Walter for reaching 3,000 points - a double editor! O.k., so it is a little early (2999 points as of now), but I ...

15 years ago | 0

Answered
saving a newly created colormap
Two ways you could go about this. First, from the command line: save mycolormap cmapnew Then make a new function: func...

15 years ago | 3

| accepted

Answered
Waitbar won't close
Use: delete(h.waitbar); instead of close(h.waitbar); Basically what happens is that when you set the CreatCancelBtn pro...

15 years ago | 2

| accepted

Answered
Convert array to argument list?
B = [77 34 56] B = mat2cell(B,1,ones(1,numel(B))) func(B{:}) If your B has a different shape, you will have to adjust...

15 years ago | 7

| accepted