NumPy Array

  • How to create an empty and a full NumPy array?
  • Create a Numpy array filled with all zeros
  • Create a Numpy array filled with all ones
  • Check whether a Numpy array contains a specified row
  • How to Remove rows in Numpy array that contains non-numeric values?
  • Remove single-dimensional entries from the shape of an array
  • Find the number of occurrences of a sequence in a NumPy array
  • Find the most frequent value in a NumPy array
  • Combining a one and a two-dimensional NumPy Array
  • How to build an array of all combinations of two NumPy arrays?
  • How to add a border around a NumPy array?
  • How to compare two NumPy arrays?
  • How to check whether specified values are present in NumPy array?
  • How to get all 2D diagonals of a 3D NumPy array?
  • Flatten a Matrix in Python using NumPy
  • Flatten a 2d numpy array into 1d array
  • Move axes of an array to new positions
  • Interchange two axes of an array
  • NumPy – Fibonacci Series using Binet Formula
  • Counts the number of non-zero values in the array
  • Count the number of elements along a given axis
  • Trim the leading and/or trailing zeros from a 1-D array
  • Change data type of given numpy array
  • Reverse a numpy array
  • How to make a NumPy array read-only?
  • How to count the frequency of unique values in NumPy array?
  • Multiply matrices of complex numbers using NumPy in Python
  • Compute the outer product of two given vectors using NumPy in Python
  • Calculate inner, outer, and cross products of matrices and vectors using NumPy
  • Compute the covariance matrix of two given NumPy arrays
  • Convert covariance matrix to correlation matrix using Python
  • Compute the Kronecker product of two mulitdimension NumPy arrays

Questions on NumPy Matrix

  • Get the maximum value from given matrix
  • Get the minimum value from given matrix
  • Find the number of rows and columns of a given matrix using NumPy
  • Select the elements from a given matrix
  • Find the sum of values in a matrix
  • Calculate the sum of the diagonal elements of a NumPy array
  • Adding and Subtracting Matrices in Python
  • Ways to add row/columns in numpy array
  • Matrix Multiplication in NumPy
  • Get the eigen values of a matrix
  • How to Calculate the determinant of a matrix using NumPy?
  • How to inverse a matrix using NumPy
  • Convert the matrix into a list

Questions on NumPy Indexing

  • Replace NumPy array elements that doesn’t satisfy the given condition
  • Return the indices of elements where the given condition is satisfied
  • Replace NaN values with average of columns
  • Replace negative value with zero in numpy array
  • How to get values of an NumPy array at certain index positions?
  • Find indices of elements equal to zero in a NumPy array
  • How to Remove columns in Numpy array that contains non-numeric values?
  • How to access different rows of a multidimensional NumPy array?
  • Get row numbers of NumPy array having element larger than X
  • Get filled the diagonals of NumPy array
  • Check elements present in the NumPy array
  • Combined array index by index

Questions on NumPy Linear Algebra

  • Find a matrix or vector norm using NumPy
  • Calculate the QR decomposition of a given matrix using NumPy
  • Compute the condition number of a given matrix using NumPy
  • Compute the eigenvalues and right eigenvectors of a given square array using NumPy?
  • Calculate the Euclidean distance using NumPy

Questions on NumPy Random

  • Create a Numpy array with random values
  • How to choose elements from the list with different probability using NumPy?
  • How to get weighted random choice in Python?
  • Generate Random Numbers From The Uniform Distribution using NumPy
  • Get Random Elements form geometric distribution
  • Get Random elements from Laplace distribution
  • Return a Matrix of random values from a uniform distribution
  • Return a Matrix of random values from a Gaussian distribution

Questions on NumPy Sorting and Searching

  • How to get the indices of the sorted array using NumPy in Python?
  • Finding the k smallest values of a NumPy array
  • How to get the n-largest values of an array using NumPy?
  • Sort the values in a matrix
  • Filter out integers from float numpy array

Questions on NumPy Mathematics

  • How to get element-wise true division of an array using Numpy?
  • How to calculate the element-wise absolute value of NumPy array?
  • Compute the negative of the NumPy array
  • Multiply 2d numpy array corresponding to 1d array
  • Computes the inner product of two arrays
  • Compute the nth percentile of the NumPy array
  • Calculate the n-th order discrete difference along the given axis
  • Calculate the sum of all columns in a 2D NumPy array
  • Calculate average values of two given NumPy arrays
  • How to get the floor, ceiling and truncated values of the elements of a numpy array?
  • How to round elements of the NumPy array to the nearest integer?
  • Find the round off the values of the given matrix
  • Determine the positive square-root of an array
  • Evaluate Einstein’s summation convention of two multidimensional NumPy arrays

Questions on NumPy Statistics

  • Compute the median of the flattened NumPy array
  • Find Mean of a List of Numpy Array
  • Calculate the mean of array ignoring the NaN value
  • Get the mean value from given matrix
  • Compute the variance of the NumPy array
  • Compute the standard deviation of the NumPy array
  • Compute pearson product-moment correlation coefficients of two given NumPy arrays
  • Calculate the mean across dimension in a 2D NumPy array

Questions on Polynomial

  • Define a polynomial function
  • How to add one polynomial to another using NumPy in Python?
  • How to subtract one polynomial to another using NumPy in Python?
  • How to multiply a polynomial to another using NumPy in Python?
  • How to divide a polynomial to another using NumPy in Python?
  • Find the roots of the polynomials using NumPy
  • Evaluate a 2-D polynomial series on the Cartesian product
  • Evaluate a 3-D polynomial series on the Cartesian product

Questions on NumPy Strings

  • Repeat all the elements of a NumPy array of strings
  • How to split the element of a given NumPy array with spaces?
  • How to insert a space between characters of all the elements of a given NumPy array?
  • Find the length of each string element in the Numpy array
  • Swap the case of an array of string
  • Change the case to uppercase of elements of an array
  • Change the case to lowercase of elements of an array
  • Join String by a seperator
  • Check if two same shaped string arrayss one by one
  • Count the number of substrings in an array
  • Find the lowest index of the substring in an array
  • Get the boolean array when values end with a particular character
  • Different ways to convert a Python dictionary to a NumPy array
  • How to convert a list and tuple into NumPy arrays?
  • Ways to convert array of strings to array of floats
  • Convert a NumPy array into a csv file
  • How to Convert an image to NumPy array and save it to CSV file using Python?
  • How to save a NumPy array to a text file?
  • Load data from a text file
  • Plot line graph from NumPy array
  • Create Histogram using NumPy