Re: Re: Apply function to parts of a list
- To: mathgroup at smc.vnet.net
- Subject: [mg86354] Re: [mg86336] Re: Apply function to parts of a list
- From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
- Date: Sun, 9 Mar 2008 05:02:27 -0500 (EST)
- References: <fqo8pn$svq$1@smc.vnet.net> <fqqs3l$kfp$1@smc.vnet.net> <200803081045.FAA13648@smc.vnet.net>
On 8 Mar 2008, at 11:45, guerom00 wrote: > Thank you very much for all the answers ! Great ! > > More generally now : Again I have a list of list but with more > "dimensions" Something like that : > > data={{x1,y1,z1,f1,g1,h1},{x2,y2,z2,f2,g2,h2},{x3,y3,z3,f3,g3,h3},... > {xn,yn,zn,fn,gn,hn}} > > And let's say I wanna, for the sake of the example, add 10 to all the > y's i.e. I want > > {{x1,y1+10,z1,f1,g1,h1},{x2,y2+10,z2,f2,g2,h2}, > {x3,y3+10,z3,f3,g3,h3},... > {xn,yn+10,zn,fn,gn,hn}} > > According to all your suggestions, I could do > > {#1,#2+10,#3,#4,#5,#6}& @@@ data > > Right ? Isn't there another simpler way (imagine instead of 6 elements > (x,y,z,f,g,h), I have 100 !) > Yes, there is a simpler way. data = {{x1, y1, z1, f1, g1, h1}, {x2, y2, z2, f2, g2, h2}, {x3, y3, z3, f3, g3, h3}, {xn, yn, zn, fn, gn, hn}}; data[[All, 2 ;; 2]] += 10; data {{x1, y1 + 10, z1, f1, g1, h1}, {x2, y2 + 10, z2, f2, g2, h2}, {x3, y3 + 10, z3, f3, g3, h3}, {xn, yn + 10, zn, fn, gn, hn}} Andrzej Kozlowski
- References:
- Re: Apply function to parts of a list
- From: guerom00 <guerom00@gmail.com>
- Re: Apply function to parts of a list