QisInvertible

Checks whether a square rational matrix is invertible.

Provides functions to deal with matrix algebra for matrices
with rational entries: determinant, rank, image and kernel, inverse,
Cholesky decomposition. All computations are exact.

Stc3<a9>phane Laurent

RationalMatrix

Exact Matrix Algebra for Rational Matrices

Stéphane Laurent

QisInvertible function

<dl><dt>M</dt>
<dd>a square matrix such that <code>as.character(Mij)</code> is 
a quoted integer or a quoted fraction for each entry <code>Mij</code></dd></dl>

Arguments

Check invertibility — QisInvertible

<dl>

<dt>M</dt>
<dd>a square matrix such that <code>as.character(Mij)</code> is 
a quoted integer or a quoted fraction for each entry <code>Mij</code></dd>

</dl>

QisInvertible: Check invertibility

Description

Usage

Value

Arguments

Examples