Ho okumuNPP ka hoʻonaʻauao a me ke kula

Parity kuleana pili i

E like 'ole ōlaʻi hana i kekahi o kona papa' ano, a me study o ka hana o ka parity mai he kilakila hapa o ka papa kula ma ka makemakika. Ua pili kēia e hoʻoholo i ka hana ana o ke kuleana pili i, a nui kōkua ai i nā i ka hana o ka AYEIE haʻalele 'ana.

Mākou hoakaka i ke kuleana pili i parity. Nui e olelo ana, i ka hana o ka? Anoee, noonoo iho la, a hiki ina ke alo i ke kuokoa ee iaaanu aey nā loina (m), i loko o kona aupuni, i ka AYEIE nā loina o ka y me (oihana) e like.

Mākou e hāʻawi aku i ka oi rigorous ho'ākāka 'ana. E noonoo oe i ka papa f (x), i ka mea i ho'ākāka 'ia i loko o D. It e e hiki ina no kekahi wahi m, i loko o ke kikowaena o ka ho'ākāka' ana:

  • -x (ku pono ana i wahi) i moe i loko o ke kikowaena o ka ho'ākāka 'ana,
  • f (-x) = f (x).

Mai kēia ho'ākāka 'ana e lilo ana i ke ano pono no ke kikowaena o ia i ka papa, o, symmetric me ka pili ana i ka wahi O o ke kumu, me he mea kekahi wahi b. Ua hookomoia ma ka wehewehena o ka hiki papa, i ka AYEIE wahi - e i moe i loko o kēia wahi. Mai ka keia, nolaila, ia penei ka hopena o ka hiki papa symmetric me ka pili ana i ka ordinate (axis) (Oy) palapala.

I mea e ho oholo i ka parity o ke kuleana pili i?

Ina i ka ooieoeiiaeuiiai pilina ua haawiia mai e ka haʻilula? H (x) = 11 ^ m + 11 ^ (- m). Ma hope o ka algorithm, a penei 'ana mai o ka ho'ākāka' ana, ke nana mua o nā mea a pau kona aupuni. ʻae nō hoʻi, ka mea, ua ho'ākāka 'ia no nā mea a pau aiee o ka manaʻo hoʻopiʻi kū'ē, i mea, o ka mua ana mea e māʻona.

I kekahiʻanuʻu mākou e panai i ka manaʻo hoʻopiʻi kū'ē (m) kona ku pono ana i manaʻo (-x).
mākou loaʻa:
? h (-x) = 11 ^ (- m) + 11 ^ m.
Mai ka hou satisfies ka commutative (commutative) kānāwai, ka mea, ua maopopo, h palena (-x) =? H (m), a me ka hoʻoholo ma mua ooieoeiiaeuiiai kaukaʻi - ahiahi.

E kaha i ka evenness o ka papa? H (x) = 11 ^ m-11 ^ (- m). Ma hope o ka ia algorithm, ua loaʻa i ka h (-x) = 11 ^ (- m) -11 ^ m. Me ka hoomanawanui i ka hua, e like me ka hopena, ua i
? h (-x) = - (11 ^ m-11 ^ (- m)) = -? h (m). Nolaila, h palena (m) - Ua ōlaʻi.

Incidentally, ka mea e e hoʻomanaʻo aʻela ia e haule ana na oihana i ole e hoʻolaha hiki e like me kēia mau 'ano, ka mea i kapaʻia kekahi, a hiki' ole ōlaʻi.

E like oihana i ka helu o ka hoihoi 'waiwai:

  • like me ka hopena o ka hou o kēia mau oihana i loaa mai ai ke ahiahi;
  • like me ka hopena o ka subtraction o ia hana ua loaa ia ahiahi;
  • inverse kuleana pili i ke ahiahi, e like me ka ahiahi;
  • like me ka hopena o ka multiplication o kēia mau mana elua ua loaa no hoi;
  • e hoonui i ke ōlaʻi, a hiki oihana loaa ōlaʻi;
  • ma ka mahele ana i ke ōlaʻi, a hiki oihana loaa ōlaʻi;
  • derivative o keia papa - Ua ōlaʻi;
  • ina e kūkulu i ōlaʻi hana i loko o ka huinahalike, ua loaa ahiahi.

Parity kuleana pili i hiki ke hoʻohana 'ia ke hoʻoponopono i nā nā helu kaulike.

E hoʻoponopono i ka helu kaulike o ka g. (M) = 0, ma kaʻaoʻao hema o ka helu kaulike ho i ke ahiahi hana, ka mea e e lawa i ka loaʻa i ka pāʻoihana no ole-io aiee o ka ee iaaanu aey. Ke kūpono aʻa Pono e merge me ke alo helu. Kekahi o ia mea a hiki i ke kulana kupono.

Ua like ka waiwai o ke kuleana pili i ua ana hoʻohana e hoʻoponopono i ka politika-maʻamau pilikia me ka aiao.

No ka laʻana, ina paha he nui i kekahi waiwai o ka aiao i kekahi, no ka mea, i ka helu kaulike 2x ^ 6-m ^ 4-koʻi ^ 2 = 1 E i ekolu aa?

Inā mākou e noonoo i ka ee iaaanu aey hapa o ka helu kaulike i loko o ke ahiahi mana, ka mea, ua ike i ke kūapoʻana m ma - m haawiia helu kaulike 'aʻole e hoʻololi i ole. Ua penei i ina ka helu o ka aa, a laila, no laila, o ka mea hoʻonui inverse. Ka hopena ua maopopo: i ka aa o ole-Aʻohe, e komo pū i loko o ia ke kauoha o kona "paʻa" pāʻoihana.

Maopopo, ka mea oāwa helu 0 kumu o ka helu kaulike mea ole, a laila i ka helu o ke aa o keia helu kaulike hiki wale e like me ka, maoli ai, no kekahi waiwai o ka aiao, ka mea hiki ole i ekolu kumu ae.

Akā, me ka helu ana o aa o ka helu kaulike 2 ^ m + 2 ^ (- m) = koʻi ^ 4 + 2x ^ 2 + 2 e e ōlaʻi, a no kekahi aiao waiwai. Aia hoʻi, ka mea i oluolu i ka nānā i ka 'ia paha o aa o keia helu kaulike kekahi pāʻoihana "hui". Hōʻoia inā i ka 0 kumu. I ka hookomoia ka mea, i loko o ka helu kaulike, ua loaa 2 = 2. Penei, kaawale mai "hui kaulua" 0 like me ka aa, a proves lākou ōlaʻi helu.

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