Tensors encode multilinear maps on a vector space as single algebraic objects that remain unchanged under any basis switch. Rank-0 tensors are scalars, rank-1 are vectors. A rank-2 case is the matrix
P = ⎡Pₓₓ Pₓᵧ Pₓ𝓏⎤
⎢Pᵧₓ Pᵧᵧ Pᵧ𝓏⎥
⎣P𝓏ₓ P𝓏ᵧ P𝓏𝓏⎦
whose nine entries give the force-per-area vectors on the six faces of a material cube. Rank equals the number of indices; a rank-3 tensor in three dimensions therefore stores exactly 3³ = 27 components.
Finite-element codes for turbine blades feed the Cauchy stress tensor into the equilibrium equations to compute local strain and remaining fatigue life under cyclic centrifugal loads.
“Uncertainty is everywhere—but information gives it meaning.
Shannon entropy reminds us that the more uncertain the outcome, the more information we need to understand it. 🧠📊”
Por error conecté una smart tv (@SamsungMexico) a mi vlan principal y empecé a notar algo raro en la red, entré a pihole y vean esta pendejada...
14 peticiones de telemetría en el mismo segundo a su dominio, no mamen!