Create Assignment1 Shreya

Assignment1 Shreya

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+
+
+import numpy as np
+list1=[1,2,3,4,5]
+list1
+
+[1, 2, 3, 4, 5]
+
+array1=np.array(list1)
+array1
+
+array([1, 2, 3, 4, 5])
+
+matrix1=[[1,2,3],[4,5,6],[7,8,9]]
+matrix1
+
+[[1, 2, 3], [4, 5, 6], [7, 8, 9]]
+
+array2=np.array(matrix1)
+array2
+
+array([[1, 2, 3],
+       [4, 5, 6],
+       [7, 8, 9]])
+
+arr1=np.arange(1,18,2)
+arr1
+
+array([ 1,  3,  5,  7,  9, 11, 13, 15, 17])
+
+arr1.reshape(3,3)
+
+array([[ 1,  3,  5],
+       [ 7,  9, 11],
+       [13, 15, 17]])
+
+arr=np.arange(10)
+arr
+
+array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
+
+ranarr=np.random.randint(1,10,10)
+ranarr
+
+array([3, 4, 3, 9, 2, 4, 1, 6, 1, 1])
+
+arr4=np.arange(1,6)
+arr4
+
+array([1, 2, 3, 4, 5])
+
+arr4.reshape(5,1)
+
+array([[1],
+       [2],
+       [3],
+       [4],
+       [5]])
+
+ranarr.shape
+
+(10,)
+
+arr5=np.arange(2,12)
+arr5
+
+array([ 2,  3,  4,  5,  6,  7,  8,  9, 10, 11])
+
+arr5[2]
+
+4
+
+arr5[3]
+
+5
+
+arr5[8]
+
+10
+
+arr5=np.arange(2,11,2)
+arr5
+
+array([ 2,  4,  6,  8, 10])
+
+arr5[2:5]=100
+arr5
+
+array([  2,   4, 100, 100, 100])
+
+matrix3=np.arange(1,26)
+matrix3
+
+array([ 1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15, 16, 17,
+       18, 19, 20, 21, 22, 23, 24, 25])
+
+matrix3.reshape(5,5)
+
+array([[ 1,  2,  3,  4,  5],
+       [ 6,  7,  8,  9, 10],
+       [11, 12, 13, 14, 15],
+       [16, 17, 18, 19, 20],
+       [21, 22, 23, 24, 25]])
+
+submatrix=matrix3.reshape(5,5)[1:4,1:4]
+submatrix
+
+array([[ 7,  8,  9],
+       [12, 13, 14],
+       [17, 18, 19]])
+
+
+