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}={\frac {\partial v}{\partial z}}-{\frac {\partial w}{\partial r}}=-{\frac {\partial }{\partial r}}\left({\frac {1}{r}}{\frac {\partial \psi }{\partial r}}\right)-{\frac…

dp={\frac {\partial p}{\partial t}}dt+{\frac {\partial p}{\partial x}}dx+{\frac {\partial p}{\partial y}}dy+{\frac {\partial p}{\partial z}}dz} (el diferencial…

u∂u∂s=−1ρdpds+ν∂2u∂y2{\displaystyle u{\partial u \over \partial s}=-{1 \over \rho }{dp \over ds}+{\nu }{\partial ^{2}u \over \partial y^{2}}} donde s{\displaystyle…

{\displaystyle {\hat {H}}\psi (\mathbf {x} ,t)=i\hbar {\frac {\partial \psi }{\partial t}}(\mathbf {x} ,t)\,\!} donde H ^ {\displaystyle {\hat {H}}} es…

campos gauge: ∂ μ → D μ = ∂ μ − i e A μ {\displaystyle \partial _{\mu }\rightarrow D_{\mu }=\partial _{\mu }-ieA_{\mu }} La ecuación de Rarita-Schwinger para…

_{x}{\Bigl (}{\frac {\partial }{\partial u^{a}}}{\Bigr )}={\frac {\partial {\hat {\varphi }}^{b}}{\partial u^{a}}}{\frac {\partial }{\partial v^{b}}},} usado…

de la masa es.[1]​: 52  ∂ρ∂t+∇⋅(ρu)=0.{\displaystyle {\frac {\partial \rho }{\partial t}}+\nabla \cdot \left(\rho \mathbf {u} \right)=0.} Si se ignoran…

) x ( t ) {\displaystyle {\frac {df}{dt}}=\int _{a}^{t}{\frac {\partial K}{\partial t}}\;x(s)ds+K(t,t)x(t)} dividiendo entre K ( t , t ) {\displaystyle…

_{p=1}^{n}g^{kp}\left({\frac {\partial g_{pj}}{\partial x^{i}}}+{\frac {\partial g_{ip}}{\partial x^{j}}}-{\frac {\partial g_{ij}}{\partial x^{p}}}\right)} g i k…

d=\partial +{\bar {\partial }}} ∂2=∂¯2=∂∂¯+∂¯∂=0.{\displaystyle \partial ^{2}={\bar {\partial }}^{2}=\partial {\bar {\partial }}+{\bar {\partial }}\partial…

∂ B ∂ t {\displaystyle \nabla \times \mathbf {E} =-{\frac {\partial \mathbf {B} }{\partial t}}} o que la circulación del campo eléctrico alrededor de una…

{\displaystyle {\frac {\partial \Gamma }{\partial s}}=e^{-sX}(-X){\frac {\partial }{\partial t}}e^{sX(t)}+e^{-sX}{\frac {\partial }{\partial t}}[X(t)e^{sX(t)}]=e^{-sX}{\frac…

{\frac {\partial P\left(A,t\right)}{\partial t}}=\sum _{i,j}{\frac {\partial }{\partial A_{i}}}\left(-k_{B}T\left[A_{i},A_{j}\right]{\frac {\partial {\mathcal…

Wise (Mkhas pa rnams 'jug pa'i sgo) Section III published in English as The Entrance Gate for the Wise (Section III): Saskya Pandita on Indian and Tibetan…

{e}}_{0}={\frac {1}{x}}\,\partial _{t},\;\;{\vec {e}}_{1}=\partial _{x},\;\;{\vec {e}}_{2}=\partial _{y},\;\;{\vec {e}}_{3}=\partial _{z}} Esto define un marco…

}{R^{2}c}}{\cfrac {\partial \rho (\mathbf {r'} ,t_{r})}{\partial t}}-{\cfrac {1}{Rc^{2}}}{\cfrac {\partial \mathbf {J} (\mathbf {r'} ,t_{r})}{\partial t}}\right)d^{3}\mathbf…

semilinear elliptic problems in unbounded domains». Calculus of Variations and Partial Differential Equations 4 (2): 121-137. doi:10.1007/BF01189950.  Del Pino…

{n^{2}}{c^{2}}}{\frac {\partial ^{2}}{\partial t^{2}}}\mathbf {E} =-{\frac {1}{\varepsilon _{0}c^{2}}}{\frac {\partial ^{2}}{\partial t^{2}}}\mathbf {P} ^{\text{NL}}…

}\left({\frac {\partial g_{\rho \mu }}{\partial x^{\nu }}}+{\frac {\partial g_{\rho \nu }}{\partial x^{\mu }}}-{\frac {\partial g_{\mu \nu }}{\partial x^{\rho…

Proceso Δ² de Aitken William F. Ames, Numerical Method for Partial Differential Equations, Section 1.6. Academic Press, New York, 1977. ISBN 0-12-056760-1…