:ϡֵ

ʽ:
[v,t,er,n]=SparseEigMax(A,LoopN,Error)
[v,t,er,n]=SparseEigMax(A,LoopN)
[v,t,er,n]=SparseEigMax(A)

A:Ϊ3ľ(ϡ洢ʽ,1ΪԪֵ,2Ϊֵ,3Ϊֵ),AϡǷ
LoopN:ѭߴ,Ĭ1000
Error:,Ĭ1E-8

v:صֵ
t:ص
er:صʱ
n:صʱѭ

ԭ:̼ݷֵⷽ.

ο:ִӦѧֲ-ֵ[M].廪ѧ,,2007:437-440

:
//ΪǶϡв,һ򵥵С;ʾ
a =
[ 6.04947562145511    6.67031197187971    4.72859168645395    5.09718565973322
  7.71056861044400    3.99799498915579    6.53456232349135    0.04040188157949
  0.29863578281301    4.01783338003691    5.79846895104203    3.17645580655730
  0.41754583847594    3.07544606415343    8.02027542051872    8.08177709024482 ]
pa={SparseCreate<\SparseCreate>}(a);

[ev,et]=SparseEigMax(pa)//֮ǰpaϡ,سõֵ
ev =
[ 17.5573879052029 ]
et =
[ 0.63966254282600
  0.51936527769255
  0.32002496776846
  0.46762758648042 ]