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Questions tagged [exponent]

Exponentiation is a mathematical operation, written as b raised to the power of n, involving two numbers, the base b and the exponent (or power) n.

Exponentiation refers to the mathematical operation involving two numbers, one is a base and another is an exponent. It is repeated multiplication. To calculate 53 you have to multiply the number 5 (base) by itself 3 times (exponent).

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How do I get a floating point number as a string without the exponent notation?

How do I get a floating point number as a string without the exponent notation, that is, a number that ends in "e-10" or similar? I discovered to_s returns the number with the exponent notation. ms = 1457000.0000000002 % 1000 # =>…
user7055375
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How to do exponentiation in constant expression?

Having used the exponent operator ^ in the initialisation of a VB class's public constant following this question. Public Const MaxValue As Double = MaxMantissa * (2 ^ MaxExponent) I am converting the class to C#. however I find that C# does not…
Toby
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Calculating powers (e.g. 2^11) quickly

Possible Duplicate: The most efficient way to implement an integer based power function pow(int, int) How can I calculate powers with better runtime? E.g. 2^13. I remember seeing somewhere that it has something to do with the following…
Meir
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Square Root in MongoDB Aggregate Pipeline

Is there a way to get the square root of a field in the MongoDB aggregate pipeline? I'm think of something like this: db.collection.aggregate( { $group: _id: null, sum: { $sum: "$values" }}, { $project: { answer: { $sqrt: "$sum" }}}) I know…
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what is difference between (**) and (<<) in python?

a = 100000000 c = (2**(a-1))-1 b = (2<<(a-1))-1 m = 1000000007 print b%m print c%m Output : 494499947 247249973 I am using ** and << operator in python to find powers of 2 raised to a very large number . However similar operations give different…
Harshit
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How to calculate an arbitrary power/root?

I have a application which needs to raise a number to a fractional power. The target platform is an FPGA and I can get estimates on an FPU size for it, but I need an algorithm for raising a number to a fractional power just for a feasibility study.…
NoMoreZealots
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How to get Exponent of Scientific Notation in Matlab

When the numbers are really small, Matlab automatically shows them formatted in Scientific Notation. Example: A = rand(3) / 10000000000000000; A = 1.0e-016 * 0.6340 0.1077 0.6477 0.3012 0.7984 0.0551 0.5830 0.8751 …
Rachel
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limit the exponential notation decimal place to 4 in javascript

How to limit the decimal place to 4 in javascript with this type of values? the e is the exponent since I am using power of ten values. toFixed() doesn't seem to work. 1.0531436913408342e-7 -5.265718456704172e-7 8.425149530726674e7
philip
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Difference between Exponent operator ^ and Math.pow()

What is the difference between: 100 ^ 49; // = 85 and Math.pow(100, 49); // = 1e+98 JavaScript returns different results and I don't know why.
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In Matlab, how to specify number of digits in the exponent using formatSpec formatting operator?

I'm writing data to an output text file using the fprintf command in Matlab. How to write a number to the output file, for instance, 1.12345678e-001, with three digits in the exponent? formatSpec = '%1.8e\n'; gives 1.12345678e-01, not the desired…
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Python math range error

I'm getting an error when trying to calculate a very large number in Python. Here is my code: # Where fourthNumber = 2790 # and dee = 413 emm = math.pow(fourthNumber, dee) An my error is: line 44, in emm = math.pow(fourthNumber,…
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Double value to scientific notation with fixed exponent C#

I am having value double value = 1427799000; I would like to convert it to scientific notation where the values exponent must always 10^11 (E+11). I have tried following but it is not working. Console.WriteLine(value.ToString("00.##E+11",…
John
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exponent digits in scientific notation in Python

In Python, scientific notation always gives me 2 digits in exponent: print('%17.8E\n' % 0.0665745511651039) 6.65745512E-02 However, I badly want to have 3 digits like: 6.65745512E-002 Can we do this with a built-in configuration/function in…
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java.math.BigInteger pow(exponent) question

I did some tests on pow(exponent) method. Unfortunately, my math skills are not strong enough to handle the following problem. I'm using this code: BigInteger.valueOf(2).pow(var); Results: var | time in ms 2000000 | 11450 2500000 | 12471 3000000…
Jan Kraus
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how to get exponents without using the math.pow for java

This is my program // ************************************************************ // PowersOf2.java // // Print out as many powers of 2 as the user requests // // ************************************************************ …
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