\( \newcommand\norm[1]{|| #1 ||} \newcommand\nnz[1]{{\textrm{nnz}(#1)}} \newcommand\E{\mathbf{E}} \newcommand\Dist{\mathbf{Dist}} \newcommand\reals{{\mathrm{I\!R}}} \newcommand\R{{\mathrm{I\!R}}} \newcommand\poly{{\textrm{poly}}} \newcommand\rank{{\textrm{rank}}} \newcommand\colspan{{\textrm{range}}} \newcommand\diam{{\textrm{diam}}} \newcommand\polylog{{\textrm{polylog}}} \newcommand\rowspan{{\textrm{rowspan}}} \newcommand\colbasis{{\textrm{colbasis}}} \newcommand\argmin{{\mathrm{argmin}}} \newcommand\Err{{\mathtt{NE}}} \newcommand\eps{{\epsilon}} \newcommand\bfone{{\mathbf{1}}} \newcommand\Var{{\mathbf{Var}}} \newcommand\stdev[1]{{\mathbf{stdev(#1)}}} \newcommand\cgf{{\mathbf{CGF}}} \newcommand\bfone{{\mathbb{1}}} \newcommand\Iden{{\mathbf{I}}} \newcommand\Prob{{\mathbf{Pr}}} \DeclareMathOperator\subg{\mathbf{subG}} \newcommand\cN{{\cal N}} \newcommand\cS{{\cal S}} \newcommand\cD{{\cal D}} \newcommand\cM{{\cal M}} \newcommand\cE{{\cal E}} \newcommand\cC{{\cal C}} \newcommand\KJL{K_{\mathbb{JL}}} \newcommand\tO{{\tilde O}} \newcommand\tx{{\tilde{\mathbf{x}}}} \newcommand\tX{{\tilde{\mathbf{X}}}} \newcommand\tY{{\tilde{\mathbf{Y}}}} \newcommand\tA{{\tilde{\mathbf{A}}}} \newcommand\bA{{\mathbf{A}}} \newcommand\ba{{\mathbf{a}}} \newcommand\bw{{\mathbf{w}}} \newcommand\bW{{\mathbf{W}}} \newcommand\bR{{\mathbf{R}}} \newcommand\bB{{\mathbf{B}}} \newcommand\bQ{{\mathbf{Q}}} \newcommand\bZ{{\mathbf{Z}}} \newcommand\bz{{\mathbf{z}}} \newcommand\bU{{\mathbf{U}}} \newcommand\bV{{\mathbf{V}}} \newcommand\bX{{\mathbf{X}}} \newcommand\bS{{\mathbf{S}}} \newcommand\hS{\hat {\mathbf{S}}} \newcommand\bs{{\mathbf{s}}} \newcommand\bx{{\mathbf{x}}} \newcommand\by{{\mathbf{y}}} \newcommand\bb{{\mathbf{b}}} \newcommand\bT{{\mathbf{T}}} \newcommand\bP{{\mathbf{P}}} \newcommand\bG{{\mathbf{G}}} \newcommand\bY{{\mathbf{Y}}} \newcommand\hY{\hat {\mathbf{Y}}} \newcommand\bH{{\mathbf{H}}} \newcommand\bD{{\mathbf{D}}} \newcommand\be{{\mathbf{e}}} \newcommand\br{{\mathbf{r}}} \newcommand\bSig{{\mathbf{\Sigma}}} \newcommand\bPi{{\mathbf{\Pi}}} \newcommand\hphi{{\hat\phi}} \)

Sketching for Matrix Computations

Ken Clarkson
IBM Research, Almaden



  • Overly dense slides from lectures for the Gene Golub Summer School, Delphi, 2015
  • These slides at
    http://kenclarkson.org/G2S3_2015/
  • Enable javascript, navigate as in powerpoint
  • Math may take some time to render properly; if it doesn't end up looking right, try reloading
  • Some helpful links are included here and there
  • "NPH"=="Not Proven Here"

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