Uma ucabanga ukuthi ufuna i-athikili eku-Python igxaza ku-NumPy Arrays, nansi indatshana yakho:
Ngaphambi kokuthi singene kuqala emininingwaneni yezinyathelo ePython, kubalulekile ukuthi siqale siqonde ukuthi ziyini. I-Strides ingumqondo oku-Python othuthukisa kakhulu ukukhohliswa nokuphathwa kwe-array, ikakhulukazi ama-NumPy arrays.. Kusinikeza amandla okuphatha kahle amalungu afanayo ngaphandle kwesidingo sememori eyengeziwe noma izindleko zokubala. Inani le-stride likhomba izinyathelo ezithathwe yiPython lapho unqamula kuhlelo. Manje ake sihlole ukuthi singasisebenzisa kanjani lesi sici esiyingqayizivele ukuxazulula izinkinga.
Isixazululo: Izinyathelo ku-NumPy Arrays
Uma usebenzisana namasethi edatha amakhulu, ukusebenza kahle yigama legeyimu, futhi amagxathu anikeza lokho ngokuqondile. Nokho, akukho ngaphandle kwama-nuances ayo.
import numpy as np arr = np.array([1, 2, 3, 4, 5]) print("Default stride value in NumPy array: ", arr.strides)
Le khodi eyisisekelo ye-Python ibonisa inani elizenzakalelayo le-stride kuhlelo olulodwa lwe-NumPy, okuyi-tuple ebonisa usayizi wesinyathelo ngamabhayithi okufanele athathwe lapho kuthuthukiswa indawo eyodwa ohlwini.
Isinyathelo ngesinyathelo Incazelo
Okokuqala, kufanele singenise umtapo wezincwadi we-NumPy njenge-np ukuze usivumele ukuphatha ama-arrays ku-Python. Sibe sesichaza uhlu olulula olunohlangothi olulodwa olubizwa ngokuthi 'arr'. Izinyathelo zamalungu afanayo zingafinyelelwa kusetshenziswa isibaluli esithi 'amagxathu'. Uma isenziwa, ibuyisela inani le-stride lamalungu afanayo e-NumPy.
[h2] Ukuqonda Amanani Wokuhamba [/h2]
Ama-Stride kumalungu afanayo ayi-tuple ehlinzeka ngenani lamabhayithi ukuze ungene kuhlangothi ngalunye lapho unqamula amalungu afanayo, ngakho-ke kumalungu afanayo angu-1D, unevelu eyodwa okuwukuhamba ngamabhayithi ukuya entweni elandelayo. Kumalungu afanayo angu-2D, uzoba namanani amabili: igxathu eliya kumugqa olandelayo kanye nesinyathelo esiya kukholomu elandelayo (into). Lezi zinyathelo zingasetshenziswa ngempumelelo ukuze kuthuthukiswe ukusebenza kahle kanye nesivinini sokwenziwa kwekhodi.
import numpy as np arr = np.array([[1, 2, 3], [4, 5, 6]]) print("Stride value in 2D NumPy array: ", arr.strides)
Ukubaluleka Kwama-Stride Values โโku-Python Programming
Ukufunda ngamavelu e-stride kuhlelo lwePython kubalulekile ekuzuzeni izinga eliphezulu lokusebenza kahle ngenkathi ubhala amakhodi. Ama-Strides angasheshisa ukubala futhi anciphise ukusetshenziswa kwenkumbulo, ikakhulukazi uma usebenzisana namasethi edatha amakhulu okuyinto evamile ezweni lanamuhla eliqhutshwa idatha. Ukukhohliswa ngempumelelo kwamagxathu kungaholela ekuthuthukisweni okubalulekile ekwenzeni imisebenzi yezibalo eyinkimbinkimbi kanye nokuphatha amalungu afanayo anezinhlangothi eziningi.
Kafushane, ukubamba amagxathu kuPython kungakhuphula indlela osebenzisana ngayo nezinhlaka. Inikeza umbono oyingqayizivele wokuthi i-Python ilawula kanjani izinhlelo ngaphakathi futhi isiza ukubhala ikhodi engcono, esheshayo, nenkumbulo esebenza kahle. Ukubaluleka kwayo esikhathini samanje se-Big Data akukwazi ukubukelwa phansi.