zero

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zero

$\begin{usage} zero~n\\ zero!~v\\ zero?~v \end{usage}$

$\begin{signatures} zero: & \htmlref{\texttt{MachineInteger}}{MachineInteger}) ... ...\\ zero?: & \% $\to$\ \htmlref{\texttt{Boolean}}{Boolean}\\\end{signatures}$

$\begin{params} {\em n} & \htmlref{\texttt{MachineInteger}}{MachineInteger} & T... ...new vector\\ {\em v} & \% & A vector with coefficients from R\\\end{params}$

$\begin{descr} zero(n) returns a zero vector of size $n$, while zero!(v) fills $... ...f all the entries of {\em v} are $0$, {\it false}\xspace otherwise. \end{descr}$

Manuel Bronstein 2000-12-13