DLMF:1.10.E9 (Q364): Difference between revisions

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Property / Symbols used
 
Property / Symbols used: Q10770 / rank
 
Normal rank
Property / Symbols used: Q10770 / qualifier
 
test:

d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}

\diff{\NVar{x}}
Property / Symbols used: Q10770 / qualifier
 
xml-id: C1.S4.SS4.m1abdec
Property / Symbols used
 
Property / Symbols used: imaginary unit / rank
 
Normal rank
Property / Symbols used: imaginary unit / qualifier
 
test:

i imaginary-unit {\displaystyle{\displaystyle\mathrm{i}}}

\iunit
Property / Symbols used: imaginary unit / qualifier
 
xml-id: C1.S9.E1.m2abdec
Property / Symbols used
 
Property / Symbols used: Q10771 / rank
 
Normal rank
Property / Symbols used: Q10771 / qualifier
 
test:

{\displaystyle{\displaystyle\int}}

\int
Property / Symbols used: Q10771 / qualifier
 
xml-id: C1.S4.SS4.m3abdec
Property / Symbols used
 
Property / Symbols used: Q10817 / rank
 
Normal rank
Property / Symbols used: Q10817 / qualifier
 
test:

ph phase {\displaystyle{\displaystyle\operatorname{ph}}}

\phase
Property / Symbols used: Q10817 / qualifier
 
xml-id: C1.S9.E7.m1adec
Property / Symbols used
 
Property / Symbols used: Q10760 / rank
 
Normal rank
Property / Symbols used: Q10760 / qualifier
 
test:

z 𝑧 {\displaystyle{\displaystyle z}}

z
Property / Symbols used: Q10760 / qualifier
 
xml-id: C1.S1.XMD1.m1gdec
Property / Symbols used
 
Property / Symbols used: Q10835 / rank
 
Normal rank
Property / Symbols used: Q10835 / qualifier
 
test:

C 𝐶 {\displaystyle{\displaystyle C}}

C
Property / Symbols used: Q10835 / qualifier
 
xml-id: C1.S10.XMD5.m1adec
Property / Symbols used
 
Property / Symbols used: Q10836 / rank
 
Normal rank
Property / Symbols used: Q10836 / qualifier
 
test:

N 𝑁 {\displaystyle{\displaystyle N}}

N
Property / Symbols used: Q10836 / qualifier
 
xml-id: C1.S10.XMD6.m1dec
Property / Symbols used
 
Property / Symbols used: Q10837 / rank
 
Normal rank
Property / Symbols used: Q10837 / qualifier
 
test:

P 𝑃 {\displaystyle{\displaystyle P}}

P
Property / Symbols used: Q10837 / qualifier
 
xml-id: C1.S10.XMD7.m1dec

Latest revision as of 15:12, 1 January 2020

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English
DLMF:1.10.E9
No description defined

    Statements

    N - P = 1 2 π i C f ( z ) f ( z ) d z = 1 2 π Δ C ( ph f ( z ) ) , 𝑁 𝑃 1 2 𝜋 𝑖 subscript 𝐶 superscript 𝑓 𝑧 𝑓 𝑧 𝑧 1 2 𝜋 subscript Δ 𝐶 phase 𝑓 𝑧 {\displaystyle{\displaystyle N-P=\frac{1}{2\pi i}\int_{C}\frac{f^{\prime}(z)}{% f(z)}\mathrm{d}z=\frac{1}{2\pi}\Delta_{C}(\operatorname{ph}f(z)),}}
    0 references
    0 references
    π {\displaystyle{\displaystyle\pi}}
    C3.S12.E1.m2abdec
    0 references
    d x 𝑥 {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
    C1.S4.SS4.m1abdec
    0 references
    i imaginary-unit {\displaystyle{\displaystyle\mathrm{i}}}
    C1.S9.E1.m2abdec
    0 references
    {\displaystyle{\displaystyle\int}}
    C1.S4.SS4.m3abdec
    0 references
    ph phase {\displaystyle{\displaystyle\operatorname{ph}}}
    C1.S9.E7.m1adec
    0 references
    z 𝑧 {\displaystyle{\displaystyle z}}
    C1.S1.XMD1.m1gdec
    0 references
    C 𝐶 {\displaystyle{\displaystyle C}}
    C1.S10.XMD5.m1adec
    0 references
    N 𝑁 {\displaystyle{\displaystyle N}}
    C1.S10.XMD6.m1dec
    0 references
    P 𝑃 {\displaystyle{\displaystyle P}}
    C1.S10.XMD7.m1dec
    0 references