Numerical product of a sequence
与 .wl 参考的差异： `NIntegrate`, `NSum` and `NProduct` accuracy
NProduct[f, {i, imin, imax}]
NProduct[f, {i, imin, imax, di}]
NProduct[(1 + 1 / i ^ 2), {i, 1, ∞}]
→ 3.676076175562187NProduct[1 + 1 / 2 ^ i, {i, 0, ∞, 2}]
→ 4.7684620624503316NProduct[1 + 1 / 2 ^ (2j), {j, 0, ∞}]
→ 2.711819347869428- AccuracyGoal — default Infinity
- EvaluationMonitor — default None
- Method — default Automatic
- PrecisionGoal — default Automatic
- VerifyConvergence — default True
- WorkingPrecision — default MachinePrecision