convhull.m File Reference

Functions
endif	if (isvector(x)&&isvector(y)&&length(x)==length(y)) if(nargin
	elseif (ischar(opt)||iscell(opt)) i
else	error ("convhull: third argument must be a string or cell array of strings")
endif else	error ("convhull: first two input arguments must be vectors of same size")
	H (1)
	i (2)=0
	if (rem(next_idx, 2)==0) H(k)
	i (next_idx-1)=0
else	H (k)
	i (next_idx+1)=0
endif endfor	H (n+1)
	!assert (convhull(x, y,{"s","Qci","Tcv","Pp"}),[1;7;13;12;11;10;4;3;2;1])%!demo%!x
	!plot (x(k), y(k),'r-', x, y,'b+')
	!axis ([-3.05, 3.05,-0.05, 1.05])
Variables
function	H
endif	n = rows (i)
	i = i'(:)
	next_i = i(2)
for	k
endfunction!testif HAVE_QHULL	!x = -3:0.5:3
	!y = abs (sin (x))
	!k = convhull (x, y)

---

Function Documentation

!assert

(

convhull(x, y,{"s","Qci","Tcv","Pp"})

)

!axis

(

)

!plot	(	x(k)	,
		y(k)	,
		'r-'	,
		x	,
		y	,
		'b+'
	)

elseif

(

ischar(opt)||iscell(opt)

)

endif else error

(

"convhull: first two input arguments must be vectors of same size"

)

else error

(

"convhull: third argument must be a string or cell array of strings"

)

endif endfor H

(

n+

1

)

else H

(

k

)

H

(

1

)

i

(

next_idx+

1

)

[pure virtual]

i

(

next_idx-

1

)

[pure virtual]

i

(

2

)

[pure virtual]

if

(

rem(next_idx, 2)

= =0

)

endif if

(

isvector(x)&&isvector(y)&&length(x)

= =length(y)

)

---

Variable Documentation

!k = convhull (x, y)

endfunction !testif HAVE_QHULL !x = -3:0.5:3

!y = abs (sin (x))

id H

Initial value:

 convhull (x, y, opt)

  if (nargin != 2 && nargin != 3)
    print_usage ()

i = i'(:)

for k

Initial value:

 2:n
    next_idx = find (i == next_i)

endif n = rows (i)

next_i = i(2)