Top "Numerical-analysis" questions

Numerical analysis is the study of algorithms that use numerical approximation, as opposed to general symbolic manipulations.

Signal processing library in Java?

I'd like to compute power spectral density of time series; do some bandpass, lowpass, and highpass filtering; maybe some other …

java signal-processing numerical-analysis
Why is the output of inv() and pinv() not equal in Matlab and Octave?

I have noticed that if A is a NxN matrix and it has the inverse matrix. But what the inv() …

matlab precision floating-accuracy matrix-inverse numerical-analysis
Solving equation using bisection method

Is there a bisection method I can find online, specifically for python? For example, given these equations how can I …

python numerical-analysis bisection
sparse matrix library for C++

Is there any sparse matrix library that can do these: solve linear algebraic equations support operations like matrix-matrix/number multiplication/…

matrix sparse-matrix numerical-methods numerical-analysis
When to use DBL_EPSILON/epsilon

The DBL_EPSILON/std::numeric_limits::epsilon will give me the smallest value that will make a difference when adding …

c++ c numeric numerical-analysis
Implementing Runge-Kutta for Systems of DE

I'm trying to implement the Runge-Kutta Method for Systems of DEs in MATLAB. I'm not getting the correct answers, I'm …

matlab differential-equations numerical-analysis
Find numbers of subarray of an array whose sum is divided by given number

I got stuck in one algorithm question. Please suggest me some efficient algorithm for the below problem. Question is Find …

c++ arrays algorithm math numerical-analysis
Solve this equation with fixed point iteration

How can I solve this equation x3 + x - 1 = 0 using fixed point iteration? Is there any fixed-point iteration code (especially …

python equation nonlinear-functions numerical-analysis fixed-point-iteration
Numeric Only TextBox

I've looked all over the place, but it seems that examples I have seen allow only numbers 0-9 I'm writing …

c# windows-phone-7 numerical-analysis
is there a way to plot an average in gnuplot?

Suppose I have a file with two columns of data file.dat. I would normally plot it with plot "file.…

gnuplot numerical-analysis