numerical

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optimizing with IEEE floating point - guaranteed mathematical identities?

I am having some trouble with IEEE floating point rules preventing compiler optimizations that seem obvious.For example,[详细]

2022-12-15 13:10 分类：问答
What is "e" variable in popular implementations of Brent root finding algorithm?

I am reading the standard (Numerical Recipes and GSL C versions are identical) implementationof Brent root finding algorithm, and canno开发者_运维问答t understand the meaning of variable \"e\". The us[详细]

2022-12-15 05:18 分类：问答
A Simple Wrapper for F# to do matrix operations

This is a relatively long post. F# has a matrix and vector type(in PowerPack not in the Core) now. This is great! Even Python\'s numerical computing ability is from the third part.[详细]

2022-12-14 14:15 分类：问答
redistributing application with NAG math libraries- client must have license?

Has anyone dealt with re-distributing an application that uses the Numerical Algorithms Group (NAG) Libraries?[详细]

2022-12-14 00:52 分类：问答
What's the difference between combinatorial and numerical problems

Could 开发者_JAVA百科you please give at least two examples of each. Thanks.Numerical problems are those in which there is a calculation of some numerical quantity.The inputs, outputs, and states tend[详细]

2022-12-13 17:28 分类：问答
Scala: Whats the best way to do numeric operations in generic classes?

In Scala, I\'d like to be able to write generic classes which use operators like >, /, * etc, but I don\'t see how to constrain T such that this will work.[详细]

2022-12-13 09:55 分类：问答
Break on NaNs or infs

It is often hard to find the origin of a NaN, since it can happen at any step of a computation and propagate itself.[详细]

2022-12-13 04:12 分类：问答
Passing around fixed-size arrays in C++?

Basically I\'d like to do something like that: int[3] array_func() { return {1,1,1}; } int main(int argc,char * argv[])[详细]

2022-12-12 07:13 分类：问答
Java performance in numerical algorithms

I am curious about performance of Java numerical algorithms, say for example matrix matrix double precis开发者_JS百科ion multiplication, using the latest JIT machines as compared for example to hand t[详细]

2022-12-11 08:42 分类：问答
Fortran: 32 bit / 64 bit performance portability

I\'ve been starting to use Fortran (95) for some numerical code (generating python modules). Here is a simple example:[详细]

2022-12-10 22:45 分类：问答