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All Journal Journal of Mathematical and Fundamental Sciences Southeast Asian Mathematics Education Journal
Iwan Pranoto
Faculty of Mathematics and Natural Sciences, Institut Teknologi Bandung, Jl. Ganesha No. 10 Bandung 40132
Astronomy Chemistry Earth & Planetary Sciences Mathematics Physics

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Partial Internal Control Recovery on 1-D Klein-Gordon Systems Iwan Pranoto
Journal of Mathematical and Fundamental Sciences Vol. 42 No. 1 (2010)
Publisher : Institute for Research and Community Services (LPPM) ITB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/itbj.sci.2010.42.1.2

Abstract

In this exposition, a technique to recover internal control on a distributed parameter system is reported. The system is described by 1-D Klein- Gordon partial differential equation with a time-varying parameter. We would like to recover the internal control applied to the system if we know some limited information about the output. We use a method called sentinel method to recover the internal control. It involves some construction of a linear functional, and we show that this construction relates closely to the exact controllability problem.
Case Study: Developing Computational Thinking Skill During Pandemic Situation Mharta Adji Wardana; Iwan Pranoto
Southeast Asian Mathematics Education Journal Vol 10, No 2 (2020)
Publisher : SEAMEO Regional Centre for QITEP in Mathematics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46517/seamej.v10i2.111

Abstract

Computational thinking, as proposed by Seymour Papert in 1980, is the idea where the interaction between a student and computer can become a mental model, assisting the learning process. This idea becomes well known as constructivism. Thus, Papert believes that the computer presence or even the thinking of computer interaction may help the student think and learn better. It is more general than the present widely accepted perception of computational thinking, where it focuses on the utilization of computers in problem-solving only. This case study aims to describe how students can learn computational thinking through traditional curriculum and unplugged setting in this pandemic situation. Three middle school students participated in a concrete math lesson design in middle school lesson on linear function topic. The result indicates that…. 
Co-Authors Mharta Adji Wardana