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data = Table[{x, Sin[x]}, {x, 0, 4 \[Pi], 0.1}];
f = Interpolation[data]
NIntegrate[f[x], {x, 0, 4 \[Pi], 0.1}]

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2Â¥: Originally posted by feixiaolin at 2014-09-06 15:18:28
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3Â¥: Originally posted by mshwangg at 2014-09-06 23:20:24
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data = Table;
f = Interpolation
NIntegrate

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