etime (MATLAB Functions)

Return time elapsed between date vectors

Syntax

```
e = etime(t2, t1)
```

Description

e = etime(t2, t1) returns the time in seconds between vectors t1 and t2. The two vectors must be six elements long, in the format returned by clock:

T = [Year Month Day Hour Minute Second]

Examples

Calculate how long a 2048-point real FFT takes.

x = rand(2048, 1);
t = clock;  fft(x);  etime(clock, t)
ans =
      0.4167

Limitations

As currently implemented, the etime function fails across month and year boundaries. Since etime is an M-file, you can modify the code to work across these boundaries if needed.

See Also

clock, cputime, tic, toc

errordlg etree