This tag is for questions concerning problems using numbers which either cannot be exactly solved, or where the exact solution may be much more difficult to acquire than by using numerical methods.
I am looking to perform a polynomial least squares regression and am looking for a C# library to do the …
c# math numericalI have a dataset with a column of phone numbers. I want to filter this dataset using PROC SQL WHERE …
sql sas numerical string-length proc-sqlFor example, when I calculate 98/42 I want to get 7/3, not 2.3333333, is there a function for that using Python or Numpy?
python python-2.7 numpy numerical fractionsBasically I'd like to do something like that: int[3] array_func() { return {1,1,1}; } int main(int argc,char * argv[]) { int[3] point=…
c++ performance allocation numericalThis code works (C# 3) double d; if(d == (double)(int)d) ...; Is there a better way to do this? For …
c# floating-point numericalI don't know how this thing is called, or even how to describe it, so the title may be a …
python plot numerical matplotlibI have a set of points (x,y) and I need to find the line of best-fit that passes through …
algorithm matlab numerical curve-fitting least-squaresIs there a simple function to round a Double or Float to a specified number of digits? I've searched here …
haskell numericalAs described in MSDN BigInteger is : An immutable type that represents an arbitrarily large integer whose value in theory has …
c# .net numerical value-typeDescription(this is a hwk question): I am not sure where to start here. I plan to use Laplace's Expansion …
python matrix numerical determinants