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View search results from all Wolfram sites (219004 matches)The partial differential equation
The partial differential equation u_t=u_(xxxxx)+5/2u_(xxx)u+(25)/4u_(xx)u_x+5/4u^2u_x.
The partial differential equation 2u_(tx)+u_xu_(xx)-u_(yy)=0.
The general equation of fluid flow (lambda+2mu)del (del ·u)-mudel x(del xu)=rho(partial^2u)/(partialt^2), where mu and lambda are coefficients of viscosity, u is the velocity ...
The partial differential equation u_(tt)-u_(xx)-u+u^3=0.
The partial differential equation u_t+u_x-6uu_x-u_(txx)=0.
The partial differential equation iu_t+[(1+|u|^2u)^(-1/2)u]_(xx)=0.
The partial differential equation ((partial^2)/(partialt^2)-(partial^2)/(partialx^2))((u_(xy))/u)+2(u^2)_(xt)=0.
A matrix is a concise and useful way of uniquely representing and working with linear transformations. In particular, every linear transformation can be represented by a ...
Let M(X) denote the group of all invertible maps X->X and let G be any group. A homomorphism theta:G->M(X) is called an action of G on X. Therefore, theta satisfies 1. For ...
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