isdefinite.m File Reference

Functions
	if (sym > 0) mineig
	if (mineig > tol) retval
	elseif (mineig >-tol) retval=0
endif else	error ("isdefinite: matrix x must be symmetric")
endif else	print_usage ()
Variables
function	retval
else	tol = 100*eps
endif endif	sym = issymmetric (x, tol)

---

Function Documentation

elseif	(	mineig	,
		-	tol
	)			[pure virtual]

endif else error

(

"isdefinite: matrix x must be symmetric"

)

if	(	mineig	,
		tol
	)

if	(	sym	,
		0
	)

endif else print_usage

(

)

---

Variable Documentation

else retval

Initial value:

 isdefinite (x, tol)

  if (nargin == 1 || nargin == 2)
    if (nargin == 1)
      if (isa (x, "single"))
        tol = 100 * eps("single")

endif endif sym = issymmetric (x, tol)

else tol = 100*eps