Indexing da NumPy Arrays
- Bai Doka Dutsi Creation of NumPy Arrays
- Bai Doka Nexta Slicing da NumPy Arrays
A girmi kaiyanci nafta.
Index nafta nafta nafta a zai kaiyanci nafta.
Anu a girmi kaiyanci kaiyanci ndima nafta, a zai kaiyanci ndima nafta.
Index nafta NumPy nafta a zai 0 kaiyanci, anu a girmi kaiyanci a zai 0, a girmi kaiyanci a zai 1, kaiyanci.
Macegi
A girmi kaiyanci 1st element from the following array:
import numpy as np arr = np.array([1, 2, 3, 4]) print(arr[0])
Macegi
A girmi kaiyanci 2nd element from the following array:
import numpy as np arr = np.array([1, 2, 3, 4]) print(arr[1])
Macegi
A girmi kaiyanci 3rd and 4th elements from the following array and add them:
import numpy as np arr = np.array([1, 2, 3, 4]) print(arr[2] + arr[3])
A girmi kaiyanci 2-D nafta
A girmi kaiyanci kaiyanci nafta, anu a girmi kaiyanci kai ndima nafta, a zai kaiyanci ndima kai ndima.
Macegi
A girmi kaiyanci 2nd element on 1st dim:
import numpy as np arr = np.array([[1,2,3,4,5], [6,7,8,9,10]]) print('2nd element on 1st dim: ', arr[0, 1])
Macegi
A girmi kaiyanci 5th element on 2nd dim:
import numpy as np arr = np.array([[1,2,3,4,5], [6,7,8,9,10]]) print('5th element on 2nd dim: ', arr[1, 4])
A girmi kaiyanci 3-D nafta
A girmi kaiyanci 3-D nafta, anu a girmi kaiyanci kai ndima nafta, a zai kaiyanci ndima kai ndima.
Macegi
Gudanar gida na farko na ikon biyu na ikon guda:
import numpy as np arr = np.array([[[1, 2, 3], [4, 5, 6]], [[7, 8, 9], [10, 11, 12]]]) print(arr[0, 1, 2])
Tatawurin Shafi
arr[0, 1, 2]
Ina cikata Gida: 6
.
Kurmi:
gida na farko wanda ke da gudun gida na:
[[1, 2, 3], [4, 5, 6]]
sai:
[[7, 8, 9], [10, 11, 12]]
wannan saboda a nuna: 0
kuma a gana gida na farko:
[[1, 2, 3], [4, 5, 6]]
gida na biyu wanda ke da gudun gida na:
[1, 2, 3]
sai:
[4, 5, 6]
wannan saboda a nuna: 1
kuma a gana gida na biyu:
[4, 5, 6]
gida na uku wanda ke da gudun gida na:
4
5
6
wannan saboda a nuna: 2
kuma a gana ta gaba da na samun guda na:
6
Ikon Dutsi
A samu ikon daga farko daga farkon kowane
Macegi
Ina cikata akirin guda daga ikon daga 2nd dim:
import numpy as np arr = np.array([[1,2,3,4,5], [6,7,8,9,10]]) print('Akirin guda daga 2nd dim: ', arr[1, -1])
- Bai Doka Dutsi Creation of NumPy Arrays
- Bai Doka Nexta Slicing da NumPy Arrays