Question

Elliptical plot to Frequency response
The original question has been removed by the user.

12 years ago | 1 answer | 0

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Question

adaptive filter with more than two coefficients
The original question has been removed by the user.

12 years ago | 1 answer | 0

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Question

Can't sort this code
The original question has been removed by the user.

12 years ago | 3 answers | 0

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Answered
basic matrix creation question
Think I did it: - clear all; close all; inc = 180; N = 6; thetaDeg(1:90) = linspace(270,359,90); %allocate val...

12 years ago | 0

Question

basic matrix creation question
Can anyone help me change this code so that I get r_n in one line rather than 7? Many thanks clear all; close all; inc ...

12 years ago | 2 answers | 0

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Question

plots - graphics quality poor
i use a few programs including matlab, and the plots MATLAB makes tend to look quite poor. i think it's because there's no 'smoo...

12 years ago | 2 answers | 0

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Question

maths behind functions
hi, i'm asking a lot of questions at the moment - i hope that's okay. i'm studying digital signal processing at the moment an...

12 years ago | 1 answer | 0

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Answered
filter coefficients
hi wayne, i'm just having problems seeing how you got from the difference equation to the impulse response (the IIR example). ...

12 years ago | 0

Question

Random noise vs. White/Gaussian noise
I've been using this as my white noise so far, s = (rand(N,1)-0.5)*2; If I used one of MATLAB's noise functions what wou...

12 years ago | 1 answer | 1

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Question

filter coefficients
Just a quick question - are 'filter coefficients' the coefficients of the impulse response, desired transfer function, or actual...

12 years ago | 3 answers | 0

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Question

Mean averaging separate rows using a certain section of each row.
I need to taken a mean average of a certain section of a row of a vector - and I need to do that for every row - giving each row...

12 years ago | 1 answer | 0

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Question

how do i turn an array into a column vector?
I can't work out how to change my array into a column vector. I thought it was just putting ' after it, but that's not working. ...

12 years ago | 1 answer | 1

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Question

how do i work out the transfer function of my filter for use in an adaptive filter?
Hey, I just need a bit of help getting to a transfer function for a filter. i have to use an FIR filter that i designed in an...

12 years ago | 1 answer | 0

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Question

zplane - don't the zeros and poles need to be complex?
I'm just getting my head around the zplane function. I'm not how the values of z and p are mapped onto the pole-zero plot. I tho...

12 years ago | 1 answer | 0

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Question

Filter design - are taps the same are difference equation coefficients?
Are taps the same are difference equation coefficients? I'm not sure how they can be actually - or if they are I don't know h...

12 years ago | 2 answers | 0

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Question

filter clarity needed - does no. of coefficients = order = no. of poles and zeros?
does the no. of filter coefficients also equal the order and also the no. of poles and zeros? thanks

12 years ago | 1 answer | 0

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Question

need to visualise this comb filter
I need to visualise this schroeder comb filter - y_n=x_(n-tau)+g*y(n-tau). I have that the z-transfer function is H(z)=1/(z^tau ...

12 years ago | 2 answers | 0

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Question

Turning array values into values on an x axis
Suppose I had a <1x4 double> array and the values were 2,3,6 and 9. How would I create a <1x10 double> array where all of th...

12 years ago | 1 answer | 0

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Question

how can I zero a load of my array values?
how can I zero a load of my array values?

12 years ago | 1 answer | 0

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Question

My MATLAB gets sluggish over time so I have to keep restarting it
My MATLAB gets sluggish over time so I have to keep restarting it. I think that when I'm running a heavy script quite a few time...

12 years ago | 3 answers | 2

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Question

I seem to have loads of free RAM even though my script is taking 10 minutes to run
I seem to have loads of free RAM even though my script is taking 10 minutes to run. I have a MacBook Pro i7 with 8GB of RAM and ...

12 years ago | 1 answer | 0

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Question

this script doesn't seem to work properly any more
I've been given this script to generate MLS sequences and until recently it was working okay. Now I get this error code - 'Warni...

12 years ago | 2 answers | 0

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Question

Is there a way to 'fold up' sections of code - like when you close up a for loop
Is there a way to hide sections of code - like when you close up a for loop? I have quite a long code with a few different se...

12 years ago | 3 answers | 2

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Question

trying to make a random number sequence similar to an MLS sequence
I'm trying to create a random number sequence like this one: - x = 2*rand(N,1)-1; % generate input noise s...

12 years ago | 1 answer | 0

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Question

can I disable entire sections of code temporarily
Can I disable entire sections of code temporarily? I have a large code that contains different scenarios. I'm working on one...

13 years ago | 3 answers | 3

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Answered
Run a for loop for three different types of excitation
worked it out equals signs for the ifs need to be doubles i.e. ==

13 years ago | 0

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Question

Run a for loop for three different types of excitation
I need to run a for loop for three different scenarios. I tried this: - etyp = 3 %number of excitation types for i = 1:ety...

13 years ago | 1 answer | 0

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Question

Is it possible to add plots to an already existing graph?
I've got a script that is based around three different types of excitation, and rather than trying to use a load of tricky progr...

13 years ago | 1 answer | 0

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Question

array manipulation - a few basic questions
Hi, I have to do a bit of array manipulation and I really don't have a clue about it. First I need to know how to take a <102...

13 years ago | 1 answer | 0

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Question

Processing time - seems to get stuck after drawing graphs
My Matlab is quite quick at running scripts, but most of the time - after the graphs have been drawn - there seems to be a perio...

13 years ago | 1 answer | 0

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