Operators and Keywords

C++ API

## Functions

while (n > 1 &&floor(n/2)==n/2) k++
endwhile if (n!=1) k-
endif if (k< 0) n
endif switch (n) case 1 h
otherwise error ("n must be 2^k*p, for p = 1, 12, 20 or 28")
while (true) if(floor(k/2)!
if (k==0) break
h (2:end, 2:end)
h (:, h(1,:)==-1)*
h (!h)
assert (norm(h *h'-n *eye(n)), 0)

## Variables

function h
endif k = 0
n = n/2
endswitch h2 = [1,1
tl = [-1,-1,+1,-1,-1,-1,+1,+1,+1,-1,+1]

## Function Documentation

 endfunction !assert ( hadamard(1) , 1 )

 assert ( norm(h *h'-n *eye(n)) , 0 )

 otherwise error ( "n must be 2^k* p, for p = `1`, 12 , 20 or 28" )

 h ( ! h )

 h ( : , h(1,:) = `=-1` )

 h ( 2:end , 2:end )

 if ( k = `=0` )

 endif if ( )

 endwhile if ( n! = `1` )

 endif switch ( n )

 while ( true )

 while ( n , 1 && floorn/2 = `=n/2` )

## Variable Documentation

 h

Initial value:

``` hadamard (n)

if (nargin != 1)
print_usage ()
```

 endif h2 = [1,1

 endif k = 0

 endfunction !test ! for n = n/2

 tl = [-1,-1,+1,-1,-1,-1,+1,+1,+1,-1,+1]