Réponse apportée
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...

environ 14 ans il y a | 0

Réponse apportée
"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...

environ 14 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 ...

environ 14 ans il y a

A résolu


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...

environ 14 ans il y a

A résolu


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...

environ 14 ans il y a

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

environ 14 ans il y a

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

environ 14 ans il y a

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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...

environ 14 ans il y a

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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 ...

environ 14 ans il y a

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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 ...

environ 14 ans il y a

A résolu


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...

environ 14 ans il y a

A résolu


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:...

environ 14 ans il y a

Réponse apportée
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...

environ 14 ans il y a | 0

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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...

plus de 14 ans il y a | 0

Question


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 ...

plus de 14 ans il y a | 1 réponse | 1

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Question


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...

plus de 14 ans il y a | 3 réponses | 3

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Réponse apportée
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...

presque 15 ans il y a | 0

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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...

presque 15 ans il y a | 0

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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)...

presque 15 ans il y a | 0

Réponse apportée
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...

presque 15 ans il y a | 0

Réponse apportée
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...

presque 15 ans il y a | 0

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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...

presque 15 ans il y a | 1

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

presque 15 ans il y a | 5

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

presque 15 ans il y a | 0

Réponse apportée
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,:...

presque 15 ans il y a | 0

| A accepté

Réponse apportée
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...

presque 15 ans il y a | 1

Question


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. ...

presque 15 ans il y a | 2 réponses | 6

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Réponse apportée
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...

presque 15 ans il y a | 3

Question


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...

presque 15 ans il y a | 4 réponses | 0

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