Scilab 5.3.3
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function
clean
cleans matrices (round to zero small entries)
Calling Sequence
B=clean(A [,epsa [,epsr]])
Arguments
- A
a numerical matrix (scalar, polynomial, sparse...)
- epsa,epsr
real numbers. Cleaning tolerances (default values resp. 1.d-10 and 1.d-10)
Description
This function eliminates (i.e. set to zero) all the coefficients
with absolute value < epsa
or relative value < epsr
(relative means relative w.r.t. 1-norm of coefficients)
in a polynomial (possibly matrix polynomial or rational
matrix).
Default values are epsa=1.d-10
and epsr=1.d-10;
For a constant (non polynomial) matrix clean(A,epsa)
sets to zero all
entries of A
smaller than epsa
.
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