Assignment#1(Numpy Fundamentals).ipynb

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   "source": [
    "# **Assignment For Numpy**"
   ]
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   "source": [
    "Difficulty Level **Beginner**"
   ]
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   "source": [
    "1. Import the numpy package under the name np"
   ]
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   "source": [
    "2. Create a null vector of size 10 "
   ]
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   "source": [
    "3. Create a vector with values ranging from 10 to 49"
   ]
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   "source": [
    "4. Find the shape of previous array in question 3"
   ]
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   "source": [
    "5. Print the type of the previous array in question 3"
   ]
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   "source": [
    "6. Print the numpy version and the configuration\n"
   ]
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   "source": [
    "7. Print the dimension of the array in question 3\n"
   ]
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   "source": [
    "8. Create a boolean array with all the True values"
   ]
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   "source": [
    "9. Create a two dimensional array\n",
    "\n",
    "\n"
   ]
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   "source": [
    "10. Create a three dimensional array\n",
    "\n"
   ]
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   "source": [
    "Difficulty Level **Easy**"
   ]
  },
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   "source": [
    "11. Reverse a vector (first element becomes last)"
   ]
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   "source": [
    "12. Create a null vector of size 10 but the fifth value which is 1 "
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   "source": [
    "13. Create a 3x3 identity matrix"
   ]
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   "source": [
    "14. arr = np.array([1, 2, 3, 4, 5]) \n",
    "\n",
    "---\n",
    "\n",
    " Convert the data type of the given array from int to float "
   ]
  },
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    "15. arr1 =          np.array([[1., 2., 3.],\n",
    "\n",
    "                    [4., 5., 6.]])  \n",
    "                      \n",
    "    arr2 = np.array([[0., 4., 1.],\n",
    "     \n",
    "                   [7., 2., 12.]])\n",
    "\n",
    "---\n",
    "\n",
    "\n",
    "Multiply arr1 with arr2\n"
   ]
  },
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    "16. arr1 = np.array([[1., 2., 3.],\n",
    "                    [4., 5., 6.]]) \n",
    "                    \n",
    "    arr2 = np.array([[0., 4., 1.], \n",
    "                    [7., 2., 12.]])\n",
    "\n",
    "\n",
    "---\n",
    "\n",
    "Make an array by comparing both the arrays provided above"
   ]
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   "source": [
    "17. Extract all odd numbers from arr with values(0-9)"
   ]
  },
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   "source": [
    "18. Replace all odd numbers to -1 from previous array"
   ]
  },
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   "source": [
    "19. arr = np.arange(10)\n",
    "\n",
    "\n",
    "---\n",
    "\n",
    "Replace the values of indexes 5,6,7 and 8 to **12**"
   ]
  },
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   "source": [
    "20. Create a 2d array with 1 on the border and 0 inside"
   ]
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   "source": [
    "Difficulty Level **Medium**"
   ]
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   "source": [
    "21. arr2d = np.array([[1, 2, 3],\n",
    "\n",
    "                    [4, 5, 6], \n",
    "\n",
    "                    [7, 8, 9]])\n",
    "\n",
    "---\n",
    "\n",
    "Replace the value 5 to 12"
   ]
  },
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   "source": [
    "22. arr3d = np.array([[[1, 2, 3], [4, 5, 6]], [[7, 8, 9], [10, 11, 12]]])\n",
    "\n",
    "---\n",
    "Convert all the values of 1st array to 64\n"
   ]
  },
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   "source": [
    "23. Make a 2-Dimensional array with values 0-9 and slice out the first 1st 1-D array from it"
   ]
  },
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   "source": [
    "24. Make a 2-Dimensional array with values 0-9 and slice out the 2nd value from 2nd 1-D array from it"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
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   "outputs": [],
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  },
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   "source": [
    "25. Make a 2-Dimensional array with values 0-9 and slice out the third column but only the first two rows"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
   "source": []
  },
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   },
   "source": [
    "26. Create a 10x10 array with random values and find the minimum and maximum values"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "outputs": [],
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   "source": [
    "27. a = np.array([1,2,3,2,3,4,3,4,5,6]) b = np.array([7,2,10,2,7,4,9,4,9,8])\n",
    "---\n",
    "Find the common items between a and b\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "id": "kBXZanxIzs_F"
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   "source": [
    "28. a = np.array([1,2,3,2,3,4,3,4,5,6])\n",
    "b = np.array([7,2,10,2,7,4,9,4,9,8])\n",
    "\n",
    "---\n",
    "Find the positions where elements of a and b match\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "id": "JR-mHQLH0HY_"
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   "source": [
    "29.  names = np.array(['Bob', 'Joe', 'Will', 'Bob', 'Will', 'Joe', 'Joe'])  data = np.random.randn(7, 4)\n",
    "\n",
    "---\n",
    "Find all the values from array **data** where the values from array **names** are not equal to **Will**\n"
   ]
  },
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   "source": [
    "30. names = np.array(['Bob', 'Joe', 'Will', 'Bob', 'Will', 'Joe', 'Joe']) data = np.random.randn(7, 4)\n",
    "\n",
    "---\n",
    "Find all the values from array **data** where the values from array **names** are not equal to **Will** and **Joe**\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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  },
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   "source": [
    "Difficulty Level **Hard**"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {
    "id": "b48g7aRA2jVM"
   },
   "source": [
    "31. Create a 2D array of shape 5x3 to contain decimal numbers between 1 and 15."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "id": "EbwfSCrW2f9_"
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  },
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    "id": "Ei_nDHtO3qBk"
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   "source": [
    "32. Create an array of shape (2, 2, 4) with decimal numbers between 1 to 16."
   ]
  },
  {
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   "outputs": [],
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  },
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   "source": [
    "33. Swap axes of the array you created in Question 32"
   ]
  },
  {
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   "source": [
    "34. Create an array of size 10, and find the square root of every element in the array, if the values less than 0.5, replace them with 0"
   ]
  },
  {
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   "source": [
    "35. Create two random arrays of range 12 and make an array with the maximum values between each element of the two arrays"
   ]
  },
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   "source": [
    "36. names = np.array(['Bob', 'Joe', 'Will', 'Bob', 'Will', 'Joe', 'Joe'])\n",
    "\n",
    "---\n",
    "Find the unique names and sort them out!\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "id": "hiSNMgcY87Ey"
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   "source": [
    "37. a = np.array([1,2,3,4,5])\n",
    "b = np.array([5,6,7,8,9])\n",
    "\n",
    "---\n",
    "From array a remove all items present in array b\n",
    "\n"
   ]
  },
  {
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   "source": [
    "38.  Following is the input NumPy array delete column two and insert following new column in its place.\n",
    "\n",
    "---\n",
    "sampleArray = numpy.array([[34,43,73],[82,22,12],[53,94,66]]) \n",
    "\n",
    "\n",
    "---\n",
    "\n",
    "newColumn = numpy.array([[10,10,10]])\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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   "source": [
    "39. x = np.array([[1., 2., 3.], [4., 5., 6.]]) y = np.array([[6., 23.], [-1, 7], [8, 9]])\n",
    "\n",
    "\n",
    "---\n",
    "Find the dot product of the above two matrix\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
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    "id": "fV2-vXcR_vmu"
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  },
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   },
   "source": [
    "40. Generate a matrix of 20 random values and find its cumulative sum"
   ]
  },
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