How to invert a sample?

I'm doing a project related to DSP. I have a doubt regarding sampling. My project is about inverting the samples of an audio signal. My doubt is how to invert samples by using MATLAB. For example if we take 16 samples the 0th sample should be 15th and the 15th sample should be 0th one. Can you please help me implement this in MATLAB.

[Paulo Silva]

0th sample?! are you sure you are doing DSP related project?

[ramya]

0th sample means first sample of the signal...im doing project on DSP kit TMS320C6713,and first im implementing this by using the matlab....

[Paulo Silva]

1th should be more correct for the first sample than 0th sample, 0 usually means none or nothing, not the first of!

[Sean de Wolski]

Whoever tagged "iddon'treaddocumentation', love it!

[Paulo Silva]

I know that person, he's crazy!

Answer 1

[Sean de Wolski]

 doc fliplr
 doc flipud

[ramya]

can u pls give me a solution how to invert samples by using matlab

[Paulo Silva]

Sean just gave you two functions you might need, you didn't bother to see what they do did you?

[ramya]

I want to implement this by using matlab.The functions what the sean has mentioned are they regarding matlab???how can i use those and implement the inversion of samples

[Paulo Silva]

please read matlab's documentation and don't expect others to give you the complete code.

[ramya]

Thank u for ur valuable suggestions.........

Answer 2

[Paulo Silva]

Ok here's my worst code to do that for you

Sample=[3 4 5 7 9 8 4 3 5 6 7]
OutSample=[];
for lo=numel(Sample):-1:1
OutSample=[OutSample Sample(lo)];
pause(1) %the loop is too fast, lets slow it down
end
OutSample

[Sean de Wolski]

You can also just ">> open fliplr" and see the easy vectorized method.

[Paulo Silva]

Sean that's obviously too complicated

[ramya]

thank u....tis code is working..thank u so much..

[Paulo Silva]

ramya please accept Sean's answer, although he didn't make your code he did provide the necessary tips.

[ramya]

sean what the statement u have given is working thank uuu and it made my work easier...thank uuuuuu

[ramya]

yes Sean's answer is correct and it made my work more easier.....

Answer 3

[Kandhavel A]

use can use selector switches which works based on index we provide

[ramya]

how can i implement inversion for samples by using matlab....