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Student Support Forum > General > > "FullSimplify: Mathematica 9 vs. Mathematica 8"

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Original Message (ID '197588') By Steve Keeley:
I opened your file in M8 and evaluated the notebook. It ran rapidly until the line in input 17 that reads: riem = ered[ Table[D[gam[[i, j, l]], co[[k]]] - D[gam[[i, j, k]], co[[l]]] + Sum[gam[[i, p, k]] gam[[p, j, l]] - gam[[i, p, l]] gam[[p, j, k]], {p, 4}], {i, 4}, {j, 4}, {k, 4}, {l, 4}]]; That line generated four errors: Part::partd: Part specification gam[[1,1,1]] is longer than depth of object. >> Part::partd: Part specification co[[1]] is longer than depth of object. >> Part::partd: Part specification gam[[1,1,1]] is longer than depth of object. >> General::stop: Further output of Part::partd will be suppressed during this calculation. >> After that it just kept running and I aborted the rest. M9 hangs up at the same spot.