map

Next: numberOfColumns,numberOfRows Up: MatrixCategory Previous: dimensions Contents Index

map

$\begin{usage} map~f\\ map!~f\\ map(f)([$v_1,\dots,v_n$])\\ map(f)(A)\\ map!(f)(A) \end{usage}$

$\begin{signatures} map: (R $\to$\ R) $\to$\ \htmlref{\texttt{Vector}}{Vector} ... ...o$\ \% $\to$\ \%\\ map!: (R $\to$\ R) $\to$\ \% $\to$\ \%\\\end{signatures}$

$\begin{params} {\em f} & R $\to$\ R & a map\\ {$v_i$} & R & Entries of a vector\\ {\em A} & \% & A matrix\\\end{params}$

$\begin{descr} map(f)([$v_1,\dots,v_n$]) returns the square matrix \begin{displa... ...rices, map!~does not make a copy of $A$\ but modifies it in place.\end{descr}$

Manuel Bronstein 2000-12-13