Re: Matrices as operators
- To: mathgroup at smc.vnet.net
- Subject: [mg123027] Re: Matrices as operators
- From: Simon <simonjtyler at gmail.com>
- Date: Mon, 21 Nov 2011 04:26:12 -0500 (EST)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
- References: <jaal4e$12d$1@smc.vnet.net>
- Reply-to: comp.soft-sys.math.mathematica at googlegroups.com
You could use a pure function:
{{Cos@#, -Sin@#}, {Sin@#, Cos@#}}&[i]
returns
{{Cos[i], -Sin[i]}, {Sin[i], Cos[i]}}