Built-in Functions
This section is the canonical built-in function reference. Pages are migrated primarily from legacy help content and checked against the current aux_engine registry.
Identifier-based Built-ins
- _max
- _mean
- _min
- _stdev
- _sum
- and
- atleast
- atmost
- audio
- axes
- begint
- blackman
- bpf
- bps
- cell
- clear
- conv
- cumsum
- dc
- delete
- diff
- dir
- dur
- endt
- envlope
- erase
- error
- eval
- face
- fclose
- fft
- fget
- figure
- file
- filepointer
- filt
- filtfilt
- fopen
- fprintf
- fread
- fwrite
- getfs
- gnoise
- group
- hamming
- hann
- hilbert
- hpf
- ifft
- include
- irand
- isaudio
- isbool
- iscell
- isclass
- isempty
- ismember
- issame
- isstereo
- isstring
- istseq
- isvector
- json
- left
- length
- line
- lpf
- matrix
- max
- mean
- members
- min
- mod
- noise
- ones
- or
- otype
- pause
- pitchscale
- play
- plot
- pow
- printf
- ramp
- rand
- randperm
- record
- rend
- repaint
- resample
- respeed
- resume
- right
- rms
- rmsall
- sam
- setnextchan
- silence
- size
- sort
- sprintf
- squeeze
- stdev
- stop
- str2num
- sum
- test
- text
- tic
- timestretch
- toc
- tone
- tsq_gettimes
- tsq_getvalues
- tsq_isrel
- tsq_settimes
- tsq_setvalues
- ungroup
- vector
- warning
- wave
- wavwrite
- write
- zeros
Review Files
Notes
- Non-identifier built-ins such as
^,%, and:are not listed here yet; this index covers identifier-style names only. - Pseudo variables are documented separately under Pseudo Variables.