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.

τML\tau_{\rm ML}

\tau_{\rm ML}

1 equation

No site-wide meaning is inferred for this symbol.

τaudio\tau_{\text{audio}}

\tau_{audio}

2 equations

No site-wide meaning is inferred for this symbol.

τff\tau_{ff}

\tau_{ff}

2 equations

Symbol tau_ff: a feedforward term — gravity compensation, or a reaction-force term handed down from a higher-level controller — added on top.

τframe\tau_{\text{frame}}

\tau_{frame}

2 equations

No site-wide meaning is inferred for this symbol.

τ⊥\tau_\perp

\tau_\perp

1 equation

Symbol tau_perp: a time, the integral has action units with subscript perp (dimensionless).

τ0\tau_0

\tau_0

8 equations

Symbol tau_0: the tool-independent charge.

τ1\tau_1

\tau_1

1 equation

No site-wide meaning is inferred for this symbol.

τ3\tau_3

\tau_3

2 equations

No site-wide meaning is inferred for this symbol.

τ4\tau_4

\tau_4

2 equations

No site-wide meaning is inferred for this symbol.

τi\tau_i

\tau_i

6 equations

No site-wide meaning is inferred for this symbol.

τk\tau_k

\tau_k

2 equations

Symbol tau_k: the threshold defining ASL level k.

τm\tau_m

\tau_m

9 equations

No site-wide meaning is inferred for this symbol.

τn\tau_n

\tau_n

3 equations

Symbol tau_n: the mean waiting time between successive neutron captures on a given nucleus.

θ\theta

\theta

64 equations

Symbol θ: the detector sits at angle.

Θ\Theta

\Theta

2 equations

No site-wide meaning is inferred for this symbol.

θs\theta_{\mathrm s}

\theta_{\mathrm s}

1 equation

No site-wide meaning is inferred for this symbol.

θrand\theta_{\mathrm{rand}}

\theta_{\mathrm{rand}}

1 equation

Symbol theta_rand: the same architecture reinitialized at random.

θ12\theta_{12}

\theta_{12}

1 equation

No site-wide meaning is inferred for this symbol.

θ13\theta_{13}

\theta_{13}

1 equation

No site-wide meaning is inferred for this symbol.

θ23\theta_{23}

\theta_{23}

1 equation

No site-wide meaning is inferred for this symbol.

θbridge\theta_{\text{bridge}}

\theta_{bridge}

3 equations

No site-wide meaning is inferred for this symbol.

θLM\theta_{\text{LM}}

\theta_{LM}

1 equation

No site-wide meaning is inferred for this symbol.

θvision\theta_{\text{vision}}

\theta_{vision}

1 equation

No site-wide meaning is inferred for this symbol.

θ∗\theta_*

\theta_*

2 equations

No site-wide meaning is inferred for this symbol.

θ1\theta_1

\theta_1

1 equation

No site-wide meaning is inferred for this symbol.

θ2\theta_2

\theta_2

1 equation

No site-wide meaning is inferred for this symbol.

θi\theta_i

\theta_i

12 equations

Symbol theta_i: some unobservable underlying ability vector for model i.

θi∗\theta_i^{*}

\theta_i^{*}

2 equations

Symbol theta_i^*: the old optimum for parameter i and λ\lambda sets how strongly the old task is protected.

θ(t)\theta^{(t)}

\theta^{(t)}

1 equation

No site-wide meaning is inferred for this symbol.

θ(t+1)\theta^{(t+1)}

\theta^{(t+1)}

1 equation

No site-wide meaning is inferred for this symbol.