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**Feeds**

Control structures

This is an answer that you could easily have gotten yourself by looking at the Getting Started section of the documentation

mer än 9 år ago | 1

Is there a way to run a function every time Matlab returns to its command prompt

If you can get the handle to the command window (I'm sure Yair has done similar things at some point; take a look around <www.un...

ungefär 13 år ago | 0

Factorization

For any prime p and positive integer n, the factors of p^n are all of the form p^k for 0 <= k <= n. So the factors of 2^1024 ar...

ungefär 13 år ago | 0

TUTORIAL: How to format your question

Is this tutorial supposed to be just about how to format code, or is it how to use formatting in general? If the latter, then t...

ungefär 13 år ago | 1

| accepted

How does Matlab build-in Quasi-Newton method calculate the gradient?

I don't have a direct answer for you, but you can dig into it a little bit further by typing edit fminunc at the command...

ungefär 13 år ago | 0

Simple calculations?

Perhaps you're looking for res = diff(n1)./diff(n2); %?

ungefär 13 år ago | 0

| accepted

data sharing Between two GUIs

Take a look at Matt Fig's <http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples>, specifically GUI...

ungefär 13 år ago | 0

replacing blank values in a single column cell array with the previous value

Pending the answer to Sean de's comment, I will assume the first entry is not blank: for ix=2:length(A) if isempty(A{ix})...

ungefär 13 år ago | 2

| accepted

Msgbox ico change

It is the third argument, and is described here: doc msgbox EDIT: Ok, I still don't totally understand what you're asking fo...

ungefär 13 år ago | 1

| accepted

cell array or multidimensional array?

Obviously it depends: is all of your data numeric, or are the data types mixed? If the data is all numeric, then I'd say stick ...

ungefär 13 år ago | 4

creating a unique variable for the outputs of a for loop?

Your final multiplication is matrix multiplication, right? In what order should it be done? Assuming it should be done in the ...

ungefär 13 år ago | 1

Matlab to MPG

Are you sure mpgwrite was a MATLAB function, and not <http://www.mathworks.com/matlabcentral/fileexchange/309 this FEX submissio...

ungefär 13 år ago | 0

GUI Text box

Well, I suppose you could do something like eval(['x(n)=' get(...)]); Or you could use evalin: doc evalin But ev...

ungefär 13 år ago | 0

Why do you come to "MATLAB Answers"?

When Answers was first instituted, I didn't really see the need for it in addition to CSSM. But it does seem to have a bit high...

ungefär 13 år ago | 2

Getting external variables from GUI

Another way is to save your data to a .mat file and load it in your GUI at runtime. Create a 'Load' button in your GUI, with ca...

ungefär 13 år ago | 0

Creating a matrix that looks similar to a 10x10 timestable grid from x = [1:10] and y = [1:10]

>> x=1:10; >> y=1:10; >> x'*y ans = 1 2 3 4 5 6 7 8 9 10 2...

ungefär 13 år ago | 0

| accepted

[DEPRECATED] What frustrates you about MATLAB?

"It is cross platform, making code easy to share (assuming the other people have forked out for the not-so-cheap license)." Thi...

ungefär 13 år ago | 0

Using unique.m function on NaNs

If you have some application for which you need to ignore NaNs rather than take them into account, you could replace them with s...

ungefär 13 år ago | 0

Inner function parameters by value or by reference?

<http://www.mathworks.com/matlabcentral/answers/152-can-matlab-pass-by-reference> <http://matlab.wikia.com/wiki/FAQ#Can_MATLAB_...

ungefär 13 år ago | 0

Wrong values with greater than, equal and less than or equal functions

<http://matlab.wikia.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_.28or_similar.29_not_equal_to_zero.3F>

ungefär 13 år ago | 6

| accepted

Excel reading - xlsread

Use the third output of xlsread: [data, txt, raw] = xlsread(...); The "raw" output is a cell array which contains all of...

ungefär 13 år ago | 1

| accepted

TUTORIAL: how to ask a question (on Answers) and get a fast answer

Do: Check the FAQs. https://www.mathworks.com/matlabcentral/answers/faqs?s_tid=gn_mlc_ans_faqs https://matlab.fandom....

ungefär 13 år ago | 10

Adding a GUI to existing code

When you say you were "given some code" and you want to "put a GUI into already existing code", do you mean you have a function ...

ungefär 13 år ago | 0

How to set timer

You might want to take a look at Matt Fig's <http://www.mathworks.com/matlabcentral/fileexchange/24861-41-complete-gui-examples>...

ungefär 13 år ago | 0

Finding the maximum value without using built-in functions

Before the loop, create a variable called currMax, and set it equal to 0. Within the loop, with each grade that's entered, comp...

ungefär 13 år ago | 0

GUI Creation

From <http://www.mathworks.com/help/techdoc/ref/uicontrol_props.html>: Editable text – The Value property does not apply. If Ma...

ungefär 13 år ago | 2

| accepted

copy graphic to Excel

You could use Yair Altman's screencapture utility from the FEX: <http://www.mathworks.com/matlabcentral/fileexchange/24323-scree...

ungefär 13 år ago | 0

Problem finding max value of column of an Matrix

The problem you're having is that you recalculate the max of each column on each iteration of the loop. You could move that cal...

ungefär 13 år ago | 1

How to create a matrix out of single inputs in a loop?

If your grades are entered as strings, you should store them in a cell array: numStudents = 20; % or however many B = cell(...

ungefär 13 år ago | 1

How to convert string into filename then use load comment to load the file

Have you tried: load [target_file '.mat'] If so, what didn't work the way you wanted? EDIT: It turns out the use of bracket...

ungefär 13 år ago | 1