How to change the start point of resampling process?

1. How to use resample command in matlab?
2. What is the meaning of resampling?

How to use resample command in matlab?

y = resample( x , p , q ) resamples the input sequence, x , at p / q times the original sample rate. resample applies an FIR Antialiasing Lowpass Filter to x and compensates for the delay introduced by the filter. The function operates along the first array dimension with size greater than 1.

What is the meaning of resampling?

resampled; resampling. transitive verb. : to take a sample of or from (something) again.