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python Programming Glossary: arithmeticWhy does += of a list within a Python tuple raise TypeError but modify the list anyway? http://stackoverflow.com/questions/10397121/why-does-of-a-list-within-a-python-tuple-raise-typeerror-but-modify-the-list These methods are called to implement the augmented arithmetic assignments ^ . These methods should attempt to do the operation..
bitwise XOR of hex numbers in python http://stackoverflow.com/questions/11119632/bitwise-xor-of-hex-numbers-in-python 0x prefix. Hexadecimal is just a presentation detail the arithmetic is done in binary and then the result is printed as hex. There..
http://stackoverflow.com/questions/13542855/python-help-to-implement-an-algorithm-to-find-the-minimum-area-rectangle-for-gi should be used when if mx rx my ry best is done in inexact arithmetic when a hull has numerous points rounding error may be a problem..
Python Infinity - Any caveats? http://stackoverflow.com/questions/1628026/python-infinity-any-caveats You can still get not a number NaN values from simple arithmetic involving inf 0 float inf nan Note that you will normally not.. that you will normally not get an inf value through usual arithmetic calculations 2.0 2 4.0 _ 2 16.0 _ 2 256.0 _ 2 65536.0 _ 2 4294967296.0..
http://stackoverflow.com/questions/1746613/bitwise-operation-and-usage 3 x 1 # Bitwise AND 0001 # Result 1 I can understand the arithmetic operators in Python and other langs but I never understood 'bitwise'..
Python: unsigned 32 bit bitwise arithmetic http://stackoverflow.com/questions/210629/python-unsigned-32-bit-bitwise-arithmetic unsigned 32 bit bitwise arithmetic Trying to answer to another post whose solution deals with.. IP addresses and netmasks I got stuck with plain bitwise arithmetic. Is there a standard way in Python to carry on bitwise AND OR..
Evaluating a mathematical expression in a string http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string In particular fourFn.py shows how to parse basic arithmetic expressions. Below I've rewrapped fourFn into a numeric parser.. self.bnf expr # map operator symbols to corresponding arithmetic operations epsilon 1e 12 self.opn operator.add operator.sub..
floating point equality in Python and in general http://stackoverflow.com/questions/3049101/floating-point-equality-in-python-and-in-general there are of course options for arbitrary precision arithmetic including python gmp and decimal . Think whether you actually..
Is it Pythonic to use bools as ints? http://stackoverflow.com/questions/3174392/is-it-pythonic-to-use-bools-as-ints
what is the difference between an Expression and a Statement in Python? http://stackoverflow.com/questions/4728073/what-is-the-difference-between-an-expression-and-a-statement-in-python identifiers literals and operators where operators include arithmetic and boolean operators the function call operator the subscription..
wrong result of floating-point arithmetic operation in Python [duplicate] http://stackoverflow.com/questions/5175376/wrong-result-of-floating-point-arithmetic-operation-in-python result of floating point arithmetic operation in Python duplicate Possible Duplicate Why don ™t.. see some very confusing results from Python floating point arithmetic operations. For example I'm using Python 2.6.6 3.1415926 3 0.14159260000000007..
Handling very large numbers in Python http://stackoverflow.com/questions/538551/handling-very-large-numbers-in-python such large numbers in Python that will allow me to perform arithmetic operations on it python optimization large number share improve..
Generating unique, ordered Pythagorean triplets http://stackoverflow.com/questions/575117/generating-unique-ordered-pythagorean-triplets are. All of the calculations in V4 are strictly integer arithmetic. Conversion to from floating point as well as floating point..
Reclassing an instance in Python http://stackoverflow.com/questions/990758/reclassing-an-instance-in-python def learn_C self self._knowledge malloc free pointer arithmetic curly braces def hard_work self print I'll have to remember.. Joel. # I'll have to remember malloc and free and pointer arithmetic and curly braces. jeff Programmer Jeff # We or someone else.. A. # I'll have to remember malloc and free and pointer arithmetic and curly braces. However I'm not convinced that this solution..
What is different between all these OpenCV Python interfaces? http://stackoverflow.com/questions/10417108/what-is-different-between-all-these-opencv-python-interfaces like images. See the article Difference between Matrix Arithmetic in OpenCV and Numpy to know more. Contours returned are lists..
How do you get the next value in the floating-point sequence? http://stackoverflow.com/questions/10420848/how-do-you-get-the-next-value-in-the-floating-point-sequence IEEE special values. Here I'm following the IBM Decimal Arithmetic standard that Python's decimal.Decimal class is based on. def..
Print number in engineering format http://stackoverflow.com/questions/12311148/print-number-in-engineering-format code itself you'll see it's based on the General Decimal Arithmetic Specification PDF here . If you search that document for to..
Python cos(90) and cos(270) not 0 http://stackoverflow.com/questions/13260296/python-cos90-and-cos270-not-0
http://stackoverflow.com/questions/14763722/python-modulo-on-floats Every Computer Scientist Should Know About Floating Point Arithmetic you should ”or at least the brief Wikipedia summary of this particular..
Floating Point Arithmetic error http://stackoverflow.com/questions/18995148/floating-point-arithmetic-error Point Arithmetic error I'm using the following function to approximate the derivative..
Missing Term Arithmetic Progression - Clean up my code http://stackoverflow.com/questions/19426660/missing-term-arithmetic-progression-clean-up-my-code Term Arithmetic Progression Clean up my code I just tried a little online programming.. int array index diff Task Find the missing term in an Arithmetic Progression. An Arithmetic Progression is defined as one in.. Find the missing term in an Arithmetic Progression. An Arithmetic Progression is defined as one in which there is a constant difference..
I have a Python list of the prime factors of a number. How do I (pythonically) find all the factors? http://stackoverflow.com/questions/3643725/i-have-a-python-list-of-the-prime-factors-of-a-number-how-do-i-pythonically-f the factor of a given number. The Fundamental Theorem of Arithmetic implies that I can use this list to derive every factor of the..
Why does 0.1+0.1+0.1-0.3 results in 5.55111512313e-17? [duplicate] http://stackoverflow.com/questions/3676894/why-does-0-10-10-1-0-3-results-in-5-55111512313e-17
Implementing a “rules engine” in Python http://stackoverflow.com/questions/467738/implementing-a-rules-engine-in-python feature Regular expression matching for the message itself Arithmetic comparisons for message severity priority Boolean operators..
Python rounding error with float numbers http://stackoverflow.com/questions/5997027/python-rounding-error-with-float-numbers
int((0.1+0.7)*10) = 7 in several languages. How to prevent this? http://stackoverflow.com/questions/6439140/int0-10-710-7-in-several-languages-how-to-prevent-this
Python float to int conversion problem http://stackoverflow.com/questions/6569528/python-float-to-int-conversion-problem Every Computer Scientist Should Know About Floating Point Arithmetic Floating point numbers cannot represent all the numbers. In..
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