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.

1506 symbols.

ϕ†\phi^\dagger

\phi^\dagger

1 equation

No site-wide meaning is inferred for this symbol.

π\pi

\pi

47 equations

Symbol pi: the independent probability.

πref\pi_{\mathrm{ref}}

\pi_{\mathrm{ref}}

2 equations

No site-wide meaning is inferred for this symbol.

πθ,t\pi_{\theta,t}

\pi_{\theta,t}

2 equations

Symbol pi_θ,t: the model policy at time t.

πθ\pi_{\theta}

\pi_{\theta}

1 equation

No site-wide meaning is inferred for this symbol.

πexec\pi_{\text{exec}}

\pi_{exec}

1 equation

No site-wide meaning is inferred for this symbol.

πplan\pi_{\text{plan}}

\pi_{plan}

1 equation

No site-wide meaning is inferred for this symbol.

πsuper\pi_{\text{super}}

\pi_{super}

1 equation

No site-wide meaning is inferred for this symbol.

πworker(i)\pi_{\text{worker}}^{(i)}

\pi_{worker}^{(i)}

1 equation

No site-wide meaning is inferred for this symbol.

πθ\pi_\theta

\pi_\theta

10 equations

Symbol pi_θ: the model, which is expected — but not forced by anything outside its own training — to emit a call ata_t whose name and arguments validate against some tool in Tt\mathcal{T}_t.

π1\pi_1

\pi_1

1 equation

No site-wide meaning is inferred for this symbol.

π2\pi_2

\pi_2

1 equation

No site-wide meaning is inferred for this symbol.

πs\pi_s

\pi_s

4 equations

No site-wide meaning is inferred for this symbol.

πv\pi_v

\pi_v

1 equation

No site-wide meaning is inferred for this symbol.

πRL\pi^{\mathrm{RL}}

\pi^{\mathrm{RL}}

1 equation

No site-wide meaning is inferred for this symbol.

πSFT\pi^{\mathrm{SFT}}

\pi^{\mathrm{SFT}}

1 equation

No site-wide meaning is inferred for this symbol.

π2\pi^2

\pi^2

1 equation

No site-wide meaning is inferred for this symbol.

ψ\psi

\psi

11 equations

Symbol psi: a learned function.

Ψ\Psi

\Psi

2 equations

No site-wide meaning is inferred for this symbol.

ψ0\psi_0

\psi_0

1 equation

No site-wide meaning is inferred for this symbol.

ψL\psi_L

\psi_L

1 equation

No site-wide meaning is inferred for this symbol.

ρ\rho

\rho

20 equations

Fluid density: Mass per unit volume of the cooling fluid. Its SI unit is kilograms per cubic metre.

ρΛnaive QFT estimate\rho_{\Lambda}^{\text{naive QFT estimate}}

\rho_{\Lambda}^{naive QFT estimate}

1 equation

No site-wide meaning is inferred for this symbol.

ρΛobserved\rho_{\Lambda}^{\text{observed}}

\rho_{\Lambda}^{observed}

1 equation

No site-wide meaning is inferred for this symbol.

ρR,Y\rho_{R,Y}

\rho_{R,Y}

4 equations

Symbol rho_R,Y: the no value of.

ρE\rho_E

\rho_E

2 equations

No site-wide meaning is inferred for this symbol.

ρF\rho_F

\rho_F

5 equations

Symbol rho_F: the same for every g , no measurement on F can reveal orientation.

ρh\rho_h

\rho_h

4 equations

Symbol rho_h: ordinary human-to-human transmission fidelity.

ρi\rho_i

\rho_i

4 equations

Symbol rho_i: all equal to each other and to 1 across every vendor in the comparison.

ρm\rho_m

\rho_m

6 equations

Symbol rho_m: the fidelity of a machine-mediated re-emission — empirically lower per the tail-collapse result above —.