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Published byReid Harnett Modified about 1 year ago

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Summation 1 Summation notation Geometric seriesHarmonic series Gauss summation trick (r < 1)

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2 Summation notation akak k k0k0 kfkf k 0 - 1 k 0 + 1 k f + 1 k f - 1

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3 Summation notation akak k k0k0 kfkf k 0 - 1 k 0 + 1 k f + 1 k f - 1

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4 Summation notation

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Summation 5 Summation notation Geometric seriesHarmonic series Gauss summation trick (r < 1)

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6 Gauss summation trick 2 Figure it out: Why N + 1 individuals? Why not N ?

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Summation 7 Summation notation Geometric seriesHarmonic series Gauss summation trick (r < 1)

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8 Geometric series Ar k k 1... 0234567 Ar 0 Ar 1 Ar 2 Ar 3 Ar 4 Ar 5 Ar 6 Ar 7 r < 1 (zoom-out vertical scale)

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9 Geometric series Ar k k 1... 0234567 r < 1 Repeated addition seems to point toward a finite value

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10 Ar k k 1... 023 r < 1 Geometric series

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11 Geometric sum: Summation notation Ar k k 1... 023 r < 1 Use j := k – 1 to check this last step STOP

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Summation 12 Summation notation Geometric seriesHarmonic series Gauss summation trick (r < 1)

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13 Harmonic series

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