datatypes NumPy

Qus. 1 : which one is the correct syntax to create an array of type float?

  1. arr=np.float([1,2,3,4])
  2. arr=np.array([1,2,3,4]).toFloat()
  3. arr=np.array([1,2,3,4],dtype='float')
  4. arr=np.farray([1,2,3,4])
Qus. 2 : What is a correct syntax to create an array of type float?

  1. arr=np.array([1,2,3,4],dtype='float')
  2. arr=np.array([1,2,3,4],dtype='f')
  3. arr=np.array([1,2,3,4],dtype=float)
  4. All of the above
Qus. 3 : <p>What is the datatype of x ?</p><pre>import numpy as np<br>a=np.array([1,2,3,4])<br>x=a.tolist()</pre><div><br></div>

  1. int
  2. array
  3. tuple
  4. list
Qus. 4 : _____ creates an uninitialized array of specified shape and dtype.

  1. full
  2. empty
  3. init
  4. None of these
Qus. 5 : What is default data type of NumPy Array

  1. float
  2. integer
  3. string
  4. boolean

Programs

Create a numpy array having two dimensions and shape(3,3) and perform the following operations on array elements:

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Write a program to find the intersection of two arrays

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