Determine the parametric equations \(x=f(t)\text{,}\) \(y=g(t)\) that describe the motion for the duration \(0\leq t\leq 2\pi\text{.}\) The trajectory of a particle in a plane as a function of the ...

Tinkercad is like the hamburger helper of 3D design. You hate to admit you use it, and you know you should put in more effort, but — darn it — it’s easy, and it tastes pretty good… ...

Geometry of conservation laws for a class of parabolic PDEs II: Normal forms for equations with conservation laws. Selecta Math. (New Series).3 (1997) 497-515. Homogeneous Backlund transformations of ...