Answered

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...

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...

ongeveer 8 jaar ago | 0

Answered

"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...

"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...

ongeveer 8 jaar ago | 0

Solved

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 ...

ongeveer 8 jaar ago

Solved

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...

ongeveer 8 jaar ago

Solved

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...

ongeveer 8 jaar ago

Solved

Determine if input is odd

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

ongeveer 8 jaar ago

Solved

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...

ongeveer 8 jaar ago

Solved

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 ...

ongeveer 8 jaar ago

Solved

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 ...

ongeveer 8 jaar ago

Solved

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...

ongeveer 8 jaar ago

Solved

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:...

ongeveer 8 jaar ago

Answered

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...

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...

meer dan 8 jaar ago | 0

Answered

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...

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...

meer dan 8 jaar ago | 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 ...

meer dan 8 jaar ago | 1 answer | 1

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...

meer dan 8 jaar ago | 2 answers | 3

Answered

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...

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...

bijna 9 jaar ago | 0

Answered

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...

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...

bijna 9 jaar ago | 0

Answered

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)...

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)...

bijna 9 jaar ago | 0

Answered

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...

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...

bijna 9 jaar ago | 0

Answered

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...

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...

bijna 9 jaar ago | 0

Answered

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...

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...

bijna 9 jaar ago | 0

Answered

Removing a specific number from vector

A = 4; Z = [1 9 2 3 4 5] Z1 = Z(find(Z~=A)) that should work

Removing a specific number from vector

A = 4; Z = [1 9 2 3 4 5] Z1 = Z(find(Z~=A)) that should work

bijna 9 jaar ago | 3

Answered

Out of memory problem

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

Out of memory problem

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

bijna 9 jaar ago | 0

Answered

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,:...

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,:...

bijna 9 jaar ago | 0

| accepted

Answered

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...

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...

bijna 9 jaar ago | 0

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. ...

bijna 9 jaar ago | 2 answers | 6

Answered

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...

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...

bijna 9 jaar ago | 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...

bijna 9 jaar ago | 4 answers | 0