Python Examples Python Compiler Python Exercises Python Quiz Python Challenges Python Practice Problems Python Server Python Syllabus Python Study Plan Python Interview Q&A Python Bootcamp Python Training ... # Import math Library import math # Check whether the values are finite or not print(math.isfinite(2000)) print(math.isfinite(-45.34)) print(math.isfinite(+45.34)) print(math.isfinite(math.inf)) print(math.isfinite(float("nan"))) print(math.isfinite(float("inf"))) print(math.isfinite(float("-inf"))) print(math.isfinite(-math.inf)) print(math.isfinite(0.0)) Try it Yourself »

Examples · >>> import numpy as np >>> np.isfinite(1) True >>> np.isfinite(0) True >>> np.isfinite(np.nan) False >>> np.isfinite(np.inf) False >>> np.isfinite(-np.inf) False >>> np.isfinite([np.log(-1.),1.,np.log(0)]) array([False, True, False]) >>> x = np.array([-np.inf, 0., np.inf]) >>> y = np.array([2, 2, 2]) >>> np.isfinite(x, y) array([0, 1, 0]) >>> y array([0, 1, 0]) On this page

March 6, 2025 - When working with numbers in Python, you’ll often encounter NaN (Not a Number) and Inf (Infinity) values. These sneaky troublemakers can mess up calculations, break models, and even cause unexpected behavior in your code. This is where numpy.isfinite() comes in—it helps you identify which numbers are valid (finite) and which ones aren't in a dataset.

Examples · Try it in your browser! >>> import numpy as np >>> np.isfinite(1) True >>> np.isfinite(0) True >>> np.isfinite(np.nan) False >>> np.isfinite(np.inf) False >>> np.isfinite(-np.inf) False >>> np.isfinite([np.log(-1.),1.,np.log(0)]) array([False, True, False]) >>> x = np.array([-np.inf, 0., np.inf]) >>> y = np.array([2, 2, 2]) >>> np.isfinite(x, y) array([0, 1, 0]) >>> y array([0, 1, 0]) Go BackOpen In Tab ·

May 2, 2026 - numpy.isfinite(x, /, out=None, *, where=True, casting='same_kind', order='K', dtype=None, subok=True[, signature, extobj]) = <ufunc 'isfinite'>

Example: Input: a = 10 b = float('inf') # function call print(math.isfinite(a)) print(math.isfinite(b)) Output: True False · # python code to demonstrate example of # math.isfinite() method # importing math module import math # math.isfinite() method test on finite value print(math.isfinite(10)) ...

August 28, 2024 - The math.isfinite() function returns True when a number is finite and False otherwise. A finite number is neither infinite nor NaN. ... Looking for an introduction to the theory behind programming? Master Python while learning data structures, algorithms, and more!

The math.isfinite() function in Python returns True if the value is finite; otherwise, it returns False.

March 8, 2024 - # Python Program illustrating # numpy.isfinite() method import numpy as geek # Returns True/False value for each element b = geek.arange(20).reshape(5, 4) print("\n",b) print("\nIs Finite : \n", geek.isfinite(b)) b = [[1j], [geek.inf]] print("\nIs ...

March 31, 2025 - We have also used Python math.pi as the argument of this Mathematical function. import math print(math.isfinite(1)) print(math.isfinite(0.00)) print(math.isfinite(-10)) print(math.isfinite(-10.0052)) print(math.isfinite(math.pi)) ... In this ...

The numpy.isfinite() method takes the following compulsory parameter: ... It returns False if x is positive infinity, negative infinity or NaN. It returns True in all other cases. If x is scalar, the return type is also scalar. The example below shows the use of numpy.isfinite() on the elements a and b:

Python Examples Python Compiler Python Exercises Python Quiz Python Challenges Python Server Python Syllabus Python Study Plan Python Interview Q&A Python Bootcamp Python Certificate Python Training ... #import cmath for complex number operations import cmath #find whether a complex number is finite or not print (cmath.isfinite(2 + 3j)) print (cmath.isfinite(complex(5.0,float('inf')))) print (cmath.isfinite(float('inf')+ 5j)) Try it Yourself »

import math x = math.nan result = math.isfinite(x) print('isfinite(x) :', result) ... In this Python Math tutorial, we learned the syntax of, and examples for math.isfinite() function.

Examples · Try it in your browser! >>> import numpy as np >>> np.isfinite(1) True >>> np.isfinite(0) True >>> np.isfinite(np.nan) False >>> np.isfinite(np.inf) False >>> np.isfinite(-np.inf) False >>> np.isfinite([np.log(-1.),1.,np.log(0)]) array([False, True, False]) >>> x = np.array([-np.inf, 0., np.inf]) >>> y = np.array([2, 2, 2]) >>> np.isfinite(x, y) array([0, 1, 0]) >>> y array([0, 1, 0]) Go BackOpen In Tab ·

Examples · >>> import numpy as np >>> np.isfinite(1) True >>> np.isfinite(0) True >>> np.isfinite(np.nan) False >>> np.isfinite(np.inf) False >>> np.isfinite(-np.inf) False >>> np.isfinite([np.log(-1.),1.,np.log(0)]) array([False, True, False]) >>> x = np.array([-np.inf, 0., np.inf]) >>> y = np.array([2, 2, 2]) >>> np.isfinite(x, y) array([0, 1, 0]) >>> y array([0, 1, 0]) On this page

import math result = math.isfinite(float('-inf')) print("The result is:",result) ... In this example, we are checking if NaN (Not a Number) is a finite floating-point number using the math.isfinite() method −

Throughout these examples, we’ve observed how numpy.isfinite() can be a critical tool in data preprocessing, offering a straightforward method to identify and handle non-finite values within an array or DataFrame. Its simplistic interface coupled with powerful functionality makes it an indispensable function for any data scientist or Python ...

Examples · >>> np.isfinite(1) True >>> np.isfinite(0) True >>> np.isfinite(np.nan) False >>> np.isfinite(np.inf) False >>> np.isfinite(-np.inf) False >>> np.isfinite([np.log(-1.),1.,np.log(0)]) array([False, True, False]) >>> x = np.array([-np.inf, 0., np.inf]) >>> y = np.array([2, 2, 2]) >>> np.isfinite(x, y) array([0, 1, 0]) >>> y array([0, 1, 0]) On this page

The function isfinite() checks the finiteness of a parameter passed in and returns the Boolean result.

January 30, 2023 - import math x = 100 value = math.isfinite(x) print(f"Is {x} a finite number? {value}") x = 0 value = math.isfinite(x) print(f"Is {x} a finite number? {value}") x = -98.67 value = math.isfinite(x) print(f"Is {x} a finite number?