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All Journal International Journal of Research in Community Services International Journal of Quantitative Research and Modeling
Sri Purwani
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Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Physics Social Sciences Other

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Numerical Integration Implementation Using Trapezoidal Rule Method To Calculate Aproximation Area Of West Java Province Wida Nurul Fauziyah; Athaya Zahrani Irmansyah; Sri Purwani
International Journal of Quantitative Research and Modeling Vol 2, No 2 (2021)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (860.823 KB) | DOI: 10.46336/ijqrm.v2i2.136

Abstract

An area can be shaped into a regular shape or an irregular shape. There is an area of irregular shape which is restricted by an unknown function, to determine that area must use a numerical integration. One of numerical integration methods is Trapezoidal Rule by replacing (????) with an integral approach function which can be evaluated, then let the (????) approximated by a linear polynomial in the certain interval, denoted as closed interval . This study is going to calculate the area of West Java Province by using this method with several different number of partitions in each quadrant such as, 9 partitions, 11 partitions, and 36 partitions in for different quadrants. This study provides the final result of the approximate area which will be compared with the actual area based in the error of result. The main finding is the approximate total area will be closer to the actual area followed by the increasing number of partitions.
Early Training on Risk Mitigation of Economic Losses Due to Natural Disasters in the Agricultural Business Sector in Tasikmalaya Regency Sukono Sukono; Sri Purwani; Dewi Ratnasari; Titin Herawati; Sutiono Mahdi
International Journal of Research in Community Services Vol 3, No 3 (2022)
Publisher : Research Collaboration Community (RCC)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v3i3.334

Abstract

Natural disasters are unexpected events caused by nature, including earthquakes, tsunamis, hurricanes, droughts, floods, volcanic eruptions, landslides and hurricanes. From the several examples of natural disasters above, of course there are a lot of losses in various fields, one of which is in agriculture, with the negative impacts that exist, there needs to be countermeasures to anticipate these negative impacts. One of the steps we can take after a natural disaster occurs to reduce these losses is to mitigate risks. Risk mitigation itself is breaking down (diversifying) into smaller risk parts, and forming an investment portfolio. At training this time, we as a team will provide counseling to MI Cipicung students entitled "Training in Mitigating the Risk of Economic Loss through Diversification and Insurance in the Agricultural Business Sector of Tasikmalaya Regency".
Co-Authors Athaya Zahrani Irmansyah DEWI RATNASARI Sukono . Sutiono Mahdi Titin Herawati Wida Nurul Fauziyah