Python数学モジュール
Python数学モジュール
Pythonには、数学的なタスクに使用できる組み込みモジュールがあります。
mathモジュールには、一連のメソッドと定数があります。
数学の方法
| Method | Description |
|---|---|
| math.acos() | Returns the arc cosine of a number |
| math.acosh() | Returns the inverse hyperbolic cosine of a number |
| math.asin() | Returns the arc sine of a number |
| math.asinh() | Returns the inverse hyperbolic sine of a number |
| math.atan() | Returns the arc tangent of a number in radians |
| math.atan2() | Returns the arc tangent of y/x in radians |
| math.atanh() | Returns the inverse hyperbolic tangent of a number |
| math.ceil() | Rounds a number up to the nearest integer |
| math.comb() | Returns the number of ways to choose k items from n items without repetition and order |
| math.copysign() | Returns a float consisting of the value of the first parameter and the sign of the second parameter |
| math.cos() | Returns the cosine of a number |
| math.cosh() | Returns the hyperbolic cosine of a number |
| math.degrees() | Converts an angle from radians to degrees |
| math.dist() | Returns the Euclidean distance between two points (p and q), where p and q are the coordinates of that point |
| math.erf() | Returns the error function of a number |
| math.erfc() | Returns the complementary error function of a number |
| math.exp() | Returns E raised to the power of x |
| math.expm1() | Returns Ex - 1 |
| math.fabs() | Returns the absolute value of a number |
| math.factorial() | Returns the factorial of a number |
| math.floor() | Rounds a number down to the nearest integer |
| math.fmod() | Returns the remainder of x/y |
| math.frexp() | Returns the mantissa and the exponent, of a specified number |
| math.fsum() | Returns the sum of all items in any iterable (tuples, arrays, lists, etc.) |
| math.gamma() | Returns the gamma function at x |
| math.gcd() | Returns the greatest common divisor of two integers |
| math.hypot() | Returns the Euclidean norm |
| math.isclose() | Checks whether two values are close to each other, or not |
| math.isfinite() | Checks whether a number is finite or not |
| math.isinf() | Checks whether a number is infinite or not |
| math.isnan() | Checks whether a value is NaN (not a number) or not |
| math.isqrt() | Rounds a square root number downwards to the nearest integer |
| math.ldexp() | Returns the inverse of math.frexp() which is x * (2**i) of the given numbers x and i |
| math.lgamma() | Returns the log gamma value of x |
| math.log() | Returns the natural logarithm of a number, or the logarithm of number to base |
| math.log10() | Returns the base-10 logarithm of x |
| math.log1p() | Returns the natural logarithm of 1+x |
| math.log2() | Returns the base-2 logarithm of x |
| math.perm() | Returns the number of ways to choose k items from n items with order and without repetition |
| math.pow() | Returns the value of x to the power of y |
| math.prod() | Returns the product of all the elements in an iterable |
| math.radians() | Converts a degree value into radians |
| math.remainder() | Returns the closest value that can make numerator completely divisible by the denominator |
| math.sin() | Returns the sine of a number |
| math.sinh() | Returns the hyperbolic sine of a number |
| math.sqrt() | Returns the square root of a number |
| math.tan() | Returns the tangent of a number |
| math.tanh() | Returns the hyperbolic tangent of a number |
| math.trunc() | Returns the truncated integer parts of a number |
数学定数
| Constant | Description |
|---|---|
| math.e | Returns Euler's number (2.7182...) |
| math.inf | Returns a floating-point positive infinity |
| math.nan | Returns a floating-point NaN (Not a Number) value |
| math.pi | Returns PI (3.1415...) |
| math.tau | Returns tau (6.2831...) |