Convert Cell Array to Num array
Maybe this is what you are looking for <http://www.mathworks.fr/matlabcentral/answers/12007-table-in-gui-data-to-matrix-expandab...

13 years ago | 0

How to code the colors in MATLAB?
<http://www.mathworks.com/help/techdoc/ref/colorspec.html Colorspec> Example: plot(1,1,'*','MarkerEdgeColor','r') or ...

13 years ago | 0

closing a specified figure (if exist)
close(findall(0,'type','figure','name','flashing'))

13 years ago | 3

Import data from text file and use it on simulink
%I don't have your data so I must create my own data x = 0:.1:1; y = [x; exp(x)]; fid = fopen('exp.txt', 'wt'); fp...

13 years ago | 2

How do i load dice faces in the gui for my dice??
instead of loading dice faces you can just show the dots on a graph like this: v=randi(6); hold off switch v case 1...

13 years ago | 0

how to start writing a program ?
# be familiar with MATLAB and read at least documentation Getting Started part # know what functions are and how to create them...

13 years ago | 1

polar-style direction plot
doc quiver <http://www.mathworks.com/help/techdoc/ref/quiver.html quiver documentation> example %create fake data to plo...

13 years ago | 0

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What is the difference between the statements: A=2; A=(2); A=[2]?
In MATLAB values like [2] and (2) are the same as 2, for the ( type they mean other things when used after a variable or functio...

13 years ago | 0

For example one Subsystem called Subsystem on a model called untitled, SG is one mask variable, to change that variable do this:...

13 years ago | 1

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remove this: % Set current data to the selected data set. set(handles.popupmenu1,'value',1) ; and it should work just...

13 years ago | 0

Struct to matrix
C1=1;C3=3;A2=2;C4=4; s={'C1' 'C3/A2' 'C4' } m=[cellfun(@eval,s)] %evaluate the calculations of the string If this assum...

13 years ago | 0

Problem with my code, please help :) "In an assignment A(I) = B, the number of elements in B and I must be the same"
There are several mistakes in your code, for example: u(I+1)=u(I)-dt*((Cd*A*p)/(2*m))*u(I)*V(I); Doesn't work because dt is...

13 years ago | 0

Removing certain Rows from a matrix
n=[m(1:size(m,1),[1 2]); m(1:size(m,1),[3 4])]; %two columns n=n(any(~ismember(n(:,[1 2]),[0 0]),2),:) %one column not...

13 years ago | 0

Matlab code - probably a simple mistake
You are just looking for plot(kx,ky) not all those plots Also the calculations generate several zero values, that's why plot(kx...

13 years ago | 0

How to create a number of "Edit Text" feilds in a GUI, depending on the user input given in the GUI through an "Edit text" field itself?
function testui hp = uicontrol('Style', 'pushbutton', 'String', 'do it',... 'Position', [1 150 60 60], 'C...

13 years ago | 0

correlation
maybe using corr on the transposed array?!

13 years ago | 0

Random Number Generator
RandStream.setDefaultStream(RandStream('mt19937ar','seed',sum(100*clock))); n=10; %number of ids randi([1 n])

13 years ago | 0

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troubles in viewing variables in the Editor
Only works for variables that exist on the current workspace, run your code first and it works for the variables listed on the w...

13 years ago | 0

What are the dependencies for findpeaks.m
Yes you need the signal processing toolbox for the findpeaks that comes with it. You can do your own findpeaks function or get ...

13 years ago | 0

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How to obtain data from editbox using a pushbutton?
words = get(handles.edit, 'String'); %edit is the name of the edit box if you are using GUIDE the names of the editboxes are ...

13 years ago | 0

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Create function to calculate leap year
Take a look at this <http://www.mathworks.com/matlabcentral/fileexchange/14172-isleap-function ISLEAP Function> , also look at J...

13 years ago | 0

Where do people learn "bad" programming habits (i.e., goto, global, and eval)
I used a lot the goto and label functions with casio graphic calculators when I was in high school, with MATLAB you don't need t...

13 years ago | 2

What does this error mean? Error ??? Index exceeds matrix dimensions.. Code included.
The error message tells all you need to know, you are requesting one index bigger than the maximum index of the matrix, I can't ...

13 years ago | 1

how can jump and go another line in a m-file?
MATLAB doesn't allow silly GOTO type functions, make conditions and create functions, or the easy and dumb way: if a=b; ...

13 years ago | 2

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select a row from a matrix and a vector simultanesouly
for r=1:100 %row to remove or whatever you want to do X=rand(100,5); Y=rand(100,1); %show the r row on the workspace X...

13 years ago | 0

writing "if" command for a>f>c
There's no cprintf on MATLAB, use disp to show simple messages on the command line or fprintf for extra features. a=1; i...

13 years ago | 1

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GUI: how to configure radio buttons to activate/grey out a set of checkboxes?
Using GUIDE # Put one Button Group on your GUI # Put two radiobutton inside the Button Group (that makes them mutually exclusiv...

13 years ago | 2

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Bit Flip-Bit Negation
d=8; %decimal value p=2; %position of the bit to flip b=dec2bin(d); %convert to binary %b(p)=num2str(~str2num(b(p))); %f...

13 years ago | 1

How to plot outputs from an equation with user inputs?
Oleg already gave you all the clues you need T1=1;T2=10;NPoints=5; u=10;v=20;w=1; %some inputs to your formula t=linspace...

13 years ago | 0

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