Study Notes of the Random and Math modules in Python
This article mainly introduces the study notes of the Random and Math modules in Python. This article describes the mathematical constants, common simple functions, and trigonometric functions of
This article mainly introduces the study notes of the Random and Math modules in Python. This article describes the mathematical constants, common simple functions, and trigonometric functions of the math module, describes the common functions,
Feather painting by action
Code:
OnMouseDown = init; function init () {// create a feather, and set each feather parameter and call the function feather = createEmptyMovieClip ("f" + I, 10000 + I ++); feather. swapDepths (Math. random () * 10000);
Learning notes of the Random and Math modules in Python, pythonrandom
Since the random, math, and time''datetime modules in Python are often used recently, it is decided to take a moment to learn about the time system.
1. math Module
Functions in
Math is a mathematical class in Java, which records many of them.ProgramMathematical aspects to be used, such as two constants:
The circumference rate of the math. Pi record
Math. E records the constant of E.
Math has some similar constants,
The circumference rate of the Math. PI record
Math. E records the constant of e.
Math has some similar constants, which are commonly used in Engineering Mathematics.
Math. abs evaluate absolute value
Math. sin sine function Math. asin arcsin
Python Study Notes 17: Mathematical Correlation of the standard library (math package, random package)
The previous sections are really tired. Now let's take a look at simple and easy-to-understand content.
A math package mainly deals with
1. mathematical operations defined by math objects
Javascript supports some complex arithmetic operations. These complex operations are implemented by using functions and constants defined as attributes of the math object:
Math. Pow (9007199254740992
This article mainly introduces the sorting of common mathematical functions in the math module of Python, and lists the operation priorities of operators, for more information, see the next article. This article mainly describes the common
/* Java. the math class in the lang Package provides constants * and contains * methods for performing basic mathematical operations, such as Elementary Indexes, logarithm, and square root * for more advanced mathematical operations. * Because the
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