Scilab Website | Contribute with GitLab | Mailing list archives | ATOMS toolboxes
Scilab Online Help
6.0.0 - 日本語

Change language to:
English - Français - Português - Русский

Please note that the recommended version of Scilab is 2024.0.0. This page might be outdated.
See the recommended documentation of this function

Scilabヘルプ >> Linear Algebra > proj

proj

投影

呼び出し手順

P = proj(X1,X2)

引数

X1,X2

同じ列の数を有する実数の行列

P

実数の投影行列 (P^2=P)

説明

PX1に平行な X2への投影です.

X1=rand(5,2);X2=rand(5,3);
P=proj(X1,X2);
norm(P^2-P,1)
trace(P)    // This is dim(X2)
[Q,M]=fullrf(P);
svd([Q,X2])   // span(Q) = span(X2)

参照

  • projspec — スペクトル演算子
  • orth — 直交基底
  • fullrf — フルランク分解
Report an issue
<< Subspaces Linear Algebra Interpolation >>

Copyright (c) 2022-2023 (Dassault Systèmes)
Copyright (c) 2017-2022 (ESI Group)
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Tue Feb 14 15:10:28 CET 2017