40 citations · 407 across the 63 of their papers we have counts for
6 papers · 1 filter
Extreme wave phenomena in down-stream running modulated waves
Andonowati, N. Karjanto, E. van Groesen
Modulational, Benjamin-Feir, instability is studied for the down-stream evolution of surface gravity waves. An explicit solution, the soliton on finite background, of the NLS equat…
On varying coefficients of spatial inhomogeneous nonlinear Schrödinger equation
N. Karjanto, J. Tan
A nonlinear evolution equation for wave packet surface gravity waves with variation in topography is revisited in this article. The equation is modeled by a spatial inhomogeneous n…
Newton's method's basins of attraction revisited
H. Susanto, N. Karjanto
In this paper, we revisit the chaotic number of iterations needed by Newton's method to converge to a root. Here, we consider a simple modified Newton method depending on a paramet…
Flipped classroom in Introductory Linear Algebra by utilizing Computer Algebra System {\sl SageMath} and a free electronic book
N. Karjanto, S. -G. Lee
This article describes the authors' teaching experience in flipping the class of a basic undergraduate mathematics course Introductory Linear Algebra. We utilize a full-featured fr…
First- and second-order wave generation theory
N. Karjanto
The first-order and the second-order wave generation theory is studied in this paper. The theory is based on the fully nonlinear water wave equations. The nonlinear boundary value…
Linear theory for single and double flap wavemakers
W. M. Kusumawinahyu, N. Karjanto, G. Klopman
In this paper, we are concerned with deterministic wave generation in a hydrodynamic laboratory. A linear wavemaker theory is developed based on the fully dispersive water wave equ…