List handling
- To: mathgroup at smc.vnet.net
- Subject: [mg15261] List handling
- From: "Jorge Zickermann" <jzickermann at mail.EUnet.pt>
- Date: Wed, 30 Dec 1998 01:50:23 -0500
- Sender: owner-wri-mathgroup at wolfram.com
listA= {1977.06,1977.06,1977.06,1977.06,1977.06,2047.77,2047.77,2047.77,2047.77,218 1.55,2181.55,2181.55,2244.73,2244.73,2244.73,2305.5,2305.5,2305.5,2305.5,236 3.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92 ,2363.92} ListB= {0.684807,0.683029,0.665242,0.665242,0.664123,0.683029,0.665242,0.665242,0.6 64123,0.640339,0.640339,0.620329,0.640339,0.640339,0.620329,0.661684,0.64033 9,0.640339,0.620329,0.640339,0.622044,0.640339,0.621506,0.660996,0.640339,0. 641006,0.640339,0.620935,0.640339,0.640339} ListC= {1971.45,1973.53,1994.29,1994.29,1995.6,2044.23,2065.,2065.,2066.3,2227.86,2 227.86,2251.22,2291.04,2291.04,2314.4,2326.89,2351.81,2351.81,2375.17,2410.2 2,2431.58,2410.22,2432.21,2386.11,2410.22,2409.44,2410.22,2432.88,2410.22,24 10.22} Position[ListB,_?(#>0.68&)] {{1},{2},{6}} Having obtained the positions of certain selected elements from ListB, I want to substitute the corresponding elements in ListA by the corresponding elements in ListC. In other words, I want to end up with; listA= {1971.45,1973.53,1977.06,1977.06,1977.06,2044.23,2047.77,2047.77,2047.77,218 1.55,2181.55,2181.55,2244.73,2244.73,2244.73,2305.5,2305.5,2305.5,2305.5,236 3.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92,2363.92 ,2363.92} Any help on how to do this is welcome. Thank you. Jorge