Live mathematical reference

Symbols and notation

Symbols can mean different things in different articles. Definitions below are shown only when an equation guide or its article provides one; otherwise the entry identifies where to read the equation in context.

1501 symbols.

Δi\Delta_i

\Delta_i

1 equation

No site-wide meaning is inferred for this symbol.

Δm\Delta_m

\Delta_m

2 equations

Symbol Delta_m: the small.

ΔS\Delta_S

\Delta_S

1 equation

No site-wide meaning is inferred for this symbol.

δt\delta_t

\delta_t

2 equations

No site-wide meaning is inferred for this symbol.

Δν\Delta\nu

\Delta\nu

3 equations

No site-wide meaning is inferred for this symbol.

Δϕ\Delta\phi

\Delta\phi

6 equations

No site-wide meaning is inferred for this symbol.

Δϕclock\Delta\phi_{\rm clock}

\Delta\phi_{\rm clock}

3 equations

Symbol Δphi_rm clock: the resulting clock phase.

Δτ\Delta\tau

\Delta\tau

16 equations

No site-wide meaning is inferred for this symbol.

δ2\delta^{2}

\delta^{2}

1 equation

No site-wide meaning is inferred for this symbol.

δ2\delta^2

\delta^2

1 equation

No site-wide meaning is inferred for this symbol.

m˙\dot{m}

\dot{m}

6 equations

Symbol ṁ: the coolant mass flow rate.

q˙\dot{q}

\dot{q}

1 equation

No site-wide meaning is inferred for this symbol.

Q˙\dot{Q}

\dot{Q}

4 equations

Symbol Q̇: the heat to be removed (watts), m˙\dot{m} is the coolant mass flow rate.

q˙d\dot{q}_d

\dot{q}_d

1 equation

No site-wide meaning is inferred for this symbol.

V˙\dot{V}

\dot{V}

1 equation

Volume flow rate: The volume of fluid passing through the loop each second. Its SI unit is cubic metres per second. Multiplying it by density gives the mass flow rate.

x˙i\dot{x}_i

\dot{x}_i

2 equations

No site-wide meaning is inferred for this symbol.

x˙α\dot{x}^\alpha

\dot{x}^\alpha

1 equation

No site-wide meaning is inferred for this symbol.

x˙β\dot{x}^\beta

\dot{x}^\beta

1 equation

No site-wide meaning is inferred for this symbol.

ϵ\epsilon

\epsilon

20 equations

Symbol epsilon: a random quantity drawn from a standard normal distribution.

ϵmax⁡\epsilon_{\max}

\epsilon_{\max}

5 equations

No site-wide meaning is inferred for this symbol.

ϵθ\epsilon_\theta

\epsilon_\theta

1 equation

No site-wide meaning is inferred for this symbol.

ϵi\epsilon_i

\epsilon_i

2 equations

No site-wide meaning is inferred for this symbol.

η\eta

\eta

22 equations

Symbol eta: the achieved energy efficiency of the best available accelerator at time t , measured in tera-operations per second per watt.

ηcl\eta_{cl}

\eta_{cl}

5 equations

Symbol eta_cl: an ordinary number, the same for every state — MICROSCOPE’s slot.

γ\gamma

\gamma

25 equations

Symbol gamma: the number of tokens.

Γ\Gamma

\Gamma

31 equations

Symbol Gamma: the adapter into the exponential ledger.

Γrad\Gamma_{\mathrm{rad}}

\Gamma_{\mathrm{rad}}

2 equations

Symbol Gamma_rad: the alpha-decay and radiative partial widths, Γ\Gamma their sum.

Γα\Gamma_\alpha

\Gamma_\alpha

2 equations

Symbol Gamma_α: the alpha-decay and radiative partial widths, Γ\Gamma their sum.

γ0\gamma_0

\gamma_0

1 equation

No site-wide meaning is inferred for this symbol.

γ1\gamma_1

\gamma_1

3 equations

No site-wide meaning is inferred for this symbol.