python scientific number to float
You are looking at the default str() formatting of floating point numbers, where scientific notation is used for sufficiently small or large numbers., The scientific notation can be converted to a floating point number with float . ... At the python interpreter: >>> import decimal >>> tmp = decimal.,The float function can do this: >>> float('1.31E+01') 13.1. or for a list: >>> map(float, ['3.76E+00', '1.31E+01', '1.14E+01']) [3.76, 13.1, 11.4]. , The scientific notation is just a convenient way of printing a floating point number. When there are a lot of leading zeros as in your example, the ..., If you numbers are consistently like this, you could just modify the string: number = "1.23155e-8" # as a string lead, power = number.split("e-") a, ..., Use float(i) or decimal.Decimal(i) for floating point numbers, depending on how important maintaining precision is to you. float will store the ..., e means you want scientific notation, and .2 means you want 2 ... See tables from Python string formatting to select the proper format layout., In a first step only the inner part, i.e. %d is interpreted as format information and replaced by the calculated length of the floating point number., The float function can do this: >>> float('1.31E+01') 13.1. or for a list: >>> map(float, ['3.76E+00', '1.31E+01', '1.14E+01']) [3.76, 13.1, 11.4].
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 python scientific number to float 相關參考資料
python - Convert Scientific Notation to Float - Stack Overflow
You are looking at the default str() formatting of floating point numbers, where scientific notation is used for sufficiently small or large numbers. https://stackoverflow.com python - Convert scientific notation to decimals - Stack Overflow
The scientific notation can be converted to a floating point number with float . ... At the python interpreter: >>> import decimal >>> tmp = decimal. https://stackoverflow.com csv - Python: Convert string (in scientific notation) to float - Stack ...
The float function can do this: >>> float('1.31E+01') 13.1. or for a list: >>> map(float, ['3.76E+00', '1.31E+01', '1.14E+01']) [3.76, 13.1, 11.4]. https://stackoverflow.com Convert scientific notation to decimal - python - Stack Overflow
The scientific notation is just a convenient way of printing a floating point number. When there are a lot of leading zeros as in your example, the ... https://stackoverflow.com python - Convert scientific notation to decimal with no trailing ...
If you numbers are consistently like this, you could just modify the string: number = "1.23155e-8" # as a string lead, power = number.split("e-") a, ... https://stackoverflow.com Converting a string (with scientific notation) to an int in Python ...
Use float(i) or decimal.Decimal(i) for floating point numbers, depending on how important maintaining precision is to you. float will store the ... https://stackoverflow.com python - Display a decimal in scientific notation - Stack Overflow
e means you want scientific notation, and .2 means you want 2 ... See tables from Python string formatting to select the proper format layout. https://stackoverflow.com python - Converting scientific notation to human readable float ...
In a first step only the inner part, i.e. %d is interpreted as format information and replaced by the calculated length of the floating point number. https://stackoverflow.com csv - Python: Convert string (in scientific notation) to float ...
The float function can do this: >>> float('1.31E+01') 13.1. or for a list: >>> map(float, ['3.76E+00', '1.31E+01', '1.14E+01']) [3.76, 13.1, 11.4]. https://stackoverflow.com |