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comparison scripts/polynomial/poly.m @ 9051:1bf0ce0930be

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Grammar check TexInfo in all .m files Cleanup documentation sources to follow a few consistent rules. Spellcheck was NOT done. (but will be in another changeset)
author Rik <rdrider0-list@yahoo.com>
date Fri, 27 Mar 2009 22:31:03 -0700
parents eb63fbe60fab
children 16f53d29049f
comparison
equal deleted inserted replaced
9044:656ad518f385 9051:1bf0ce0930be
22 ## If @var{a} is a square @math{N}-by-@math{N} matrix, @code{poly (@var{a})} 22 ## If @var{a} is a square @math{N}-by-@math{N} matrix, @code{poly (@var{a})}
23 ## is the row vector of the coefficients of @code{det (z * eye (N) - a)}, 23 ## is the row vector of the coefficients of @code{det (z * eye (N) - a)},
24 ## the characteristic polynomial of @var{a}. As an example we can use 24 ## the characteristic polynomial of @var{a}. As an example we can use
25 ## this to find the eigenvalues of @var{a} as the roots of @code{poly (@var{a})}. 25 ## this to find the eigenvalues of @var{a} as the roots of @code{poly (@var{a})}.
26 ## @example 26 ## @example
27 ## @group
27 ## roots(poly(eye(3))) 28 ## roots(poly(eye(3)))
28 ## @result{} 1.00000 + 0.00000i 29 ## @result{} 1.00000 + 0.00000i
29 ## @result{} 1.00000 - 0.00000i 30 ## @result{} 1.00000 - 0.00000i
30 ## @result{} 1.00000 + 0.00000i 31 ## @result{} 1.00000 + 0.00000i
32 ## @end group
31 ## @end example 33 ## @end example
32 ## In real-life examples you should, however, use the @code{eig} function 34 ## In real-life examples you should, however, use the @code{eig} function
33 ## for computing eigenvalues. 35 ## for computing eigenvalues.
34 ## 36 ##
35 ## If @var{x} is a vector, @code{poly (@var{x})} is a vector of coefficients 37 ## If @var{x} is a vector, @code{poly (@var{x})} is a vector of coefficients