Mathematica 9 is now available
SEARCH MATHEMATICA 8 DOCUMENTATION
THIS IS DOCUMENTATION FOR AN OBSOLETE PRODUCT.
SEE THE DOCUMENTATION CENTER FOR THE LATEST INFORMATION.
Mathematica >
Mathematica 組込みシンボルチュートリアル »|関連項目 »

Identity

Identity[expr]
expr を与える（すなわち恒等写像）．
バージョン 1 の新機能
© 2013 Wolfram Research, Inc. English
Ask a question about this page  |  Suggest an improvement  |  Leave a message for the team