1: Write a NumPy program to create a 3x3 matrix with values ranging from 2 to 10. Expected Output: [[ 2 3 4] [ 5 6 7] [ 8 9 10]] 2: Write a NumPy program to convert an array to a float type. Sample output: Original array [1, 2, 3, 4] Array converted to a float type: [ 1. 2. 3. 4.] 3: Following is the provided numPy array. return array of items in the third column from all rows. sampleArray = numpy.array([[11,22, 33], [44, 55, 66], [77, 88, 99]])

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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1: Write a NumPy program to create a 3x3 matrix with values ranging from 2 to 10.
Expected Output:
[[ 2 3 4]
[ 5 6 7]
[ 8 9 10]]
2: Write a NumPy program to convert an array to a float type.
Sample output:
Original array
[1, 2, 3, 4]
Array converted to a float type:
[ 1. 2. 3. 4.]
3: Following is the provided numPy array. return array of items in the third column from all rows.
sampleArray = numpy.array([[11,22, 331, [44, 55, 661, [77, 88, 99]])
4:Return array of odd rows and even columns from below numpy array
sampleArray = numpy.array([[3,6, 9, 12], [15,18, 21, 241,
[27,30, 33, 361, [39,42, 45, 48], [51,54, 57, 601])
Transcribed Image Text:1: Write a NumPy program to create a 3x3 matrix with values ranging from 2 to 10. Expected Output: [[ 2 3 4] [ 5 6 7] [ 8 9 10]] 2: Write a NumPy program to convert an array to a float type. Sample output: Original array [1, 2, 3, 4] Array converted to a float type: [ 1. 2. 3. 4.] 3: Following is the provided numPy array. return array of items in the third column from all rows. sampleArray = numpy.array([[11,22, 331, [44, 55, 661, [77, 88, 99]]) 4:Return array of odd rows and even columns from below numpy array sampleArray = numpy.array([[3,6, 9, 12], [15,18, 21, 241, [27,30, 33, 361, [39,42, 45, 48], [51,54, 57, 601])
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