Respondida
Font of axis data and legends
you can set once using this command per matlab session or add this to your start-up program set(0, 'DefaultAxesFontSize', A...

más de 14 años hace | 0

Respondida
"Levelling" out a signal with moving average
I would recommend fitting an exponential curve rather than a poly fit. e.g see example 8.10 in Steven M. Kay, "Fundamentals of...

más de 14 años hace | 0

Resuelto


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 ...

más de 14 años hace

Resuelto


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

más de 14 años hace

Resuelto


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

más de 14 años hace

Resuelto


Add two numbers
Given a and b, return the sum a+b in c.

más de 14 años hace

Resuelto


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

más de 14 años hace

Resuelto


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

más de 14 años hace

Resuelto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

más de 14 años hace

Resuelto


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

más de 14 años hace

Resuelto


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 14 años hace

Resuelto


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 14 años hace

Respondida
mathematical expectation
As you have given it, you are only calculating the outer-product and not the covariance. To calculate the covariance you need m...

más de 14 años hace | 0

Respondida
Time series ARMA model estimation results different from textbook
Assuming that the there is no typo in the data (I dint check), I tried your code through system id GUI of Matlab system id toolb...

más de 14 años hace | 0

Pregunta


Error in publishing
I use Matlab 7.12.0 R2011a, on a Windows XP SP3 box. I am trying to use the publish feature of Matlab to automatically create a ...

más de 14 años hace | 1 respuesta | 1

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respuesta

Pregunta


Best method to clear persistent variables
Hello all, Recently I came to know that it is not a good idea to use clear all; So, I started using clear varia...

casi 15 años hace | 3 respuestas | 3

3

respuestas

Respondida
Scaling of time
I am of the opinion that the question and solutions offered here don't match. Your question seems to be of a compression. Howeve...

alrededor de 15 años hace | 0

Respondida
Polar fill sector
I was just wondering if the pie chart could be intelligently used to obtain the same result. @Walter: You would probably know b...

alrededor de 15 años hace | 0

Respondida
How do I model a time series in MATLAB using ARMA?
Apart from looking at the prediction errors (like correlation analysis) it is always a good idea to analyze the plant (measured)...

alrededor de 15 años hace | 0

Respondida
time series prediction
To continue on what Rajiv said above, the X in ARX or ARMAX stands for eXogenous input. An AR (ARMA) model is noise driven but a...

alrededor de 15 años hace | 0

Respondida
How can I simulate a LTI system with complex data?
It looks like impulse() function does not take continuous time systems with complex coefficients; However, if I were to just sol...

alrededor de 15 años hace | 0

Respondida
Multiple legands with semilogy
My guess is that you are probably using more strings in legend(); e.g: you are plotting only one array and passing two legend s...

alrededor de 15 años hace | 1

Respondida
Removing a specific number from vector
A = 4; Z = [1 9 2 3 4 5] Z1 = Z(find(Z~=A)) that should work

alrededor de 15 años hace | 5

Respondida
Out of memory problem
What is the OS virtual memory setting on your machine? on WinXP see My Computer--> Properties --> Advanced Tab --> Change butto...

alrededor de 15 años hace | 0

Respondida
Matlab rounding to zero?
Like Sean said, convert all variables to some floating point format. You might do something like, for i=1:10000 A(i,:...

alrededor de 15 años hace | 0

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Respondida
keep figures from popping up when running.
I won't promise you that this is the best solution, however, is one of them. You could set the 'visible' property off the fig...

alrededor de 15 años hace | 1

Pregunta


What am I not seeing here
Here is a small script that I wrote after I missed a colon and saw some unexpected (by me) behavior in some work I was doing. ...

alrededor de 15 años hace | 2 respuestas | 6

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respuestas

Respondida
Where can I upload images and files for use on MATLAB Answers?
I would put the files on my personal website or dropbox public folder and share a link ( <http://www.dropbox.com>). In both case...

alrededor de 15 años hace | 3

Pregunta


Matlab is confused between line (function) and line (variable)
see code: In a certain power system simulation, I am naming my outputs (typically more than one, a linear MIMO simulation) in t...

alrededor de 15 años hace | 4 respuestas | 0

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respuestas