scholarly journals PELATIHAN AKUNTANSI DAN MATEMATIKA EKONOMI BAGI SISWA SISWI PANTI ASUHAN ASIH LESTARI

2020 ◽  
Vol 3 (1) ◽  
Author(s):  
Yuniarwati Yuniarwati ◽  
Elizabeth Sugiarto D ◽  
Yenny Lego
Keyword(s):  
Linear Functions ◽  
Quadratic Functions ◽  
Training Module ◽  
Training Activity ◽  
Service Companies ◽  
Questions And Answers ◽  
The Face ◽  
Mathematics Examination ◽  
And Mathematics ◽  
Logarithmic Functions

Based on an invitation from the manager of the Asih Lestari Orphanage to provide accounting and economic mathematics training in order to fulfill the Tridharma of Higher Education activities through Community Engagement (PKM), this accounting training activity was held. This PKM activity was carried out in the Asih Lestari Orphanage area Jl. Gardu No.1, Salembaran Jati, Kosambi Barat - Dadap, Tangerang, Banten 15213, West Java in February 2019. In this training the Accounting Training and Economic Mathematics Training Module was distributed along with the answer questions. The topics discussed in this PKM related to accounting training are service companies and trading companies, while those related to economic mathematics training are linear functions and quadratic functions, application functions in economics, logarithmic functions, simple function differentials, and matrices. During the training there were questions and answers and discussions. The specific target of PKM is to prepare students for the Asih Lestari Orphanage in the face of the State Economics and Mathematics Examination. This PKM has been going well, as evidenced by the graduation of the orphanage students, and even one orphanage child received a scholarship at Udayana (Bali). PKM activities in the future are expected to continue to be carried out on an ongoing basis by providing the necessary topics as stated by students in the previous PKM questionnaire. Other topics such as entrepreneurship, e-commerce, tax introduction, and the introduction of financial mapping can also be carried out to equip independent students of the Asih Lestari Orphanage in the futureABSTRAK:Berdasarkan undangan dari pengelola Panti Asuhan Asih Lestari untuk memberikan pelatihan akuntansi dan matematika ekonomi dalam rangka memenuhi kegiatan Tridharma Perguruan Tinggi melalui Pengabdian Kepada Masyarakat (PKM) maka kegiatan pelatihan akuntansi ini diselenggarakan. Kegiatan PKM ini dilaksanakan di area Panti Asuhan Asih Lestari Jl. Gardu No.1, Salembaran Jati, Kosambi Barat – Dadap, Tangerang, Banten 15213, Jawa Barat pada bulan Febuari 2019. Dalam pelatihan ini dibagikan Modul Pelatihan Akuntansi dan Pelatihan Matematika Ekonomi beserta soal jawabnya. Topik yang dibahas dalam PKM ini yang terkait dengan pelatihan akuntansi adalah perusahaan jasa dan perusahaan dagang, sementara yang terkait dengan pelatihan matematika ekonomi adalah fungsi linear dan fungsi kuadrat, aplikasi fungsi dalam ekonomi, fungsi logaritma, differensial fungsi sederhana, dan matriks. Saat pelatihan disertai sessi tanya jawab dan diskusi. Target khusus PKM ini adalah mempersiapkan siswa/siswi Panti Asuhan Asih Lestari dalam menghadapi Ujian Negara Ekonomi dan Matematika. PKM ini telah berlangsung dengan baik terbukti dengan lulusnya siswa-siswi panti bahkan ada satu anak panti asuhan yang diterima beasiswa di Udayana (Bali). Kegiatan PKM di masa depan diharapkan untuk terus dapat dilakukan secara berkesinambungan dengan pembekalan topik yang dibutuhkan seperti yang telah dikemukakan siswa dalam angket PKM sebelumnya. Topik lain seperti kewirausahaan, e-commerce, pengenalan pajak, dan pengenalan pemetaan keuangan juga dapat dilakukan untuk pembekalan kemandirian siswa-siswi Panti Asuhan Asih Lestari di masa depan.

scholarly journals Effects of transient temperature on human's heat losses

2016 ◽  
Vol 20 (3) ◽  
pp. 827-830
Author(s):  
Lijuan Wang ◽  
Yuhui Di ◽  
Hui Yin ◽  
Yanfeng Liu ◽  
Jiaping Liu
Keyword(s):  
Energy Balance ◽  
Air Conditioning ◽  
Heat Losses ◽  
Linear Functions ◽  
Quadratic Functions ◽  
Balance Model ◽  
Transient Temperature ◽  
Convection Diffusion ◽  
Comfort Evaluation ◽  
And Diffusion

The objectives of the paper are to analyze human convection, radiation, evaporation, respiration, conduction, and diffusion heat losses when the operative temperature increases from 26-34.4?C and then decreases from 34.4-26?C with a ratio of 1.4?C per 5 minutes. A energy balance model is used for sedentary subject. The results show that during temperature rising, all the heat losses are linear functions of temperature, while during temperature dropping, the convection, diffusion, and respiration heat losses are quadratic functions of temperature. The results are useful for thermal comfort evaluation and heating, ventilation, and air conditioning design.

scholarly journals Controlled Functional Encryption Revisited: Multi-Authority Extensions and Efficient Schemes for Quadratic Functions

2021 ◽  
Vol 2021 (1) ◽  
pp. 21-42
Author(s):  
Miguel Ambrona ◽  
Dario Fiore ◽  
Claudio Soriente
Keyword(s):  
Homomorphic Encryption ◽  
Linear Functions ◽  
Quadratic Functions ◽  
Functional Encryption ◽  
Fine Grained ◽  
Multiple Data ◽  
Garbled Circuits ◽  
Private Data ◽  
Data Owner ◽  
Single Data

AbstractIn a Functional Encryption scheme (FE), a trusted authority enables designated parties to compute specific functions over encrypted data. As such, FE promises to break the tension between industrial interest in the potential of data mining and user concerns around the use of private data. FE allows the authority to decide who can compute and what can be computed, but it does not allow the authority to control which ciphertexts can be mined. This issue was recently addressed by Naveed et al., that introduced so-called Controlled Functional encryption (or C-FE), a cryptographic framework that extends FE and allows the authority to exert fine-grained control on the ciphertexts being mined. In this work we extend C-FE in several directions. First, we distribute the role of (and the trust in) the authority across several parties by defining multi-authority C-FE (or mCFE). Next, we provide an efficient instantiation that enables computation of quadratic functions on inputs provided by multiple data-owners, whereas previous work only provides an instantiation for linear functions over data supplied by a single data-owner and resorts to garbled circuits for more complex functions. Our scheme leverages CCA2 encryption and linearly-homomorphic encryption. We also implement a prototype and use it to showcase the potential of our instantiation.

Beyond Practicalism

Utopophobia ◽  
2019 ◽  
pp. 304-315
Author(s):  
David Estlund
Keyword(s):  
Political Philosophy ◽  
Special Interest ◽  
Intrinsic Value ◽  
Intellectual Work ◽  
Math And Science ◽  
The Face ◽  
And Mathematics

This chapter argues against “practicalism.” It shows that it is very plausible that some things must be of intrinsic value, that is, apart from what they can be used to produce. A narrower practicalism might hold that intellectual work in particular is never of intrinsic value, and so is worthless unless it is of practical value. The chapter contends that this flies in the face of some robust views about the value of some intellectual work in science and mathematics. This leaves two problems of special interest here: first, so far, even if that point makes general intellectual practicalism appear implausible, it has no tendency to show that nonpractical philosophy, or in particular political philosophy, might be of intrinsic value. They might lack whatever it is about nonpractical yet important math and science that makes them important. This leads to the second problem, which is that even if those examples tend to refute practicalism, they do not yet provide any account of what is valuable about them.

scholarly journals Credibility Approximations for Bayesian Prediction of Second Moments

1985 ◽  
Vol 15 (2) ◽  
pp. 103-121 ◽  
Author(s):  
William S. Jewell ◽  
Rene Schnieper
Keyword(s):  
Least Squares ◽  
Linear Functions ◽  
Quadratic Functions ◽  
Sample Variance ◽  
Credibility Theory ◽  
Sample Mean ◽  
Second Moment ◽  
Second Moments ◽  
Special Cases ◽  
The Mean

AbstractCredibility theory refers to the use of linear least-squares theory to approximate the Bayesian forecast of the mean of a future observation; families are known where the credibility formula is exact Bayesian. Second-moment forecasts are also of interest, for example, in assessing the precision of the mean estimate. For some of these same families, the second-moment forecast is exact in linear and quadratic functions of the sample mean. On the other hand, for the normal distribution with normal-gamma prior on the mean and variance, the exact forecast of the variance is a linear function of the sample variance and the squared deviation of the sample mean from the prior mean. Bühlmann has given a credibility approximation to the variance in terms of the sample mean and sample variance.In this paper, we present a unified approach to estimating both first and second moments of future observations using linear functions of the sample mean and two sample second moments; the resulting least-squares analysis requires the solution of a 3 × 3 linear system, using 11 prior moments from the collective and giving joint predictions of all moments of interest. Previously developed special cases follow immediately. For many analytic models of interest, 3-dimensional joint prediction is significantly better than independent forecasts using the “natural” statistics for each moment when the number of samples is small. However, the expected squared-errors of the forecasts become comparable as the sample size increases.

Prediction of vernalisation in three Australian Vrn responsive wheats

2003 ◽  
Vol 54 (3) ◽  
pp. 283 ◽  
Author(s):  
L. D. J. Penrose ◽  
H. M. Rawson ◽  
M. Zajac
Keyword(s):  
Quadratic Function ◽  
Linear Interpolation ◽  
Development Stage ◽  
Linear Functions ◽  
Quadratic Functions ◽  
Published Data ◽  
Floral Initiation ◽  
Maximum Temperatures ◽  
Double Ridge ◽  
Interpolation Functions

This study sought to better estimate vernalisation in winter wheats, so that their early development and time of anthesis can be better predicted. For this, an accurate relationship between temperature and the effectiveness of vernalisation is required. Using previously published data, our study found that the relationship between temperature and effectiveness of vernalisation can be suitably described by a quadratic function. In contrast, most previous studies used linear interpolation functions to describe vernalising effectiveness. These consist of a series of linear functions of temperature over adjoining temperature ranges. An advantage of quadratic functions is that they allow effectiveness of vernalisation to be described in terms of underlying physiological processes, and require the estimation of fewer parameters to predict wheat development. Our study found the cardinal temperatures for vernalisation to be –3�C, 6.5�C, and 15.9�C, that is for the lower, optimum, and maximum temperatures respectively. To allow for different upper temperature limits for vernalisation, 2 quadratic temperature-vernalising effectiveness functions were used to predict accumulated daily vernalisation at 3 field sites. These predictions of daily vernalisation were compared with corresponding estimates produced with 3 previously proposed linear interpolation functions. Varying degrees of agreement were found between estimates produced by the 2 types of vernalising effectiveness functions. Equations that have been developed to predict floral initiation in winter wheats have not been previously evaluated in Australian field environments. These equations utilise the same underlying relationship between accumulated daily vernalisation and a measure of floral initiation, often the appearance of double ridges. Two of these equations were used to predict the appearance of double ridges for a field-grown Australian winter wheat, JF87%014. Neither equation could satisfactorily predict the timing of the double ridge development stage for this wheat, whatever vernalising effectiveness function was used to predict vernalisation in the field. Both equations had greatest difficulty in predicting the double ridge stage, in environments where vernalisation most delayed development. This finding suggests that equations currently predicting floral initiation in winter wheats do not utilise an accurate relationship between accumulated vernalisation and floral initiation. An alternative method of predicting anthesis in winter wheats is to predict final leaf number, but this approach has not been reliably applied in environments where vernalising temperatures vary.

scholarly journals Eggplant growth as affected by bovine manure and magnesium thermophosphate rates

2008 ◽  
Vol 65 (1) ◽  
pp. 77-86 ◽  
Author(s):  
Marinice Oliveira Cardoso ◽  
Walter Esfrain Pereira ◽  
Ademar Pereira de Oliveira ◽  
Adailson Pereira de Souza
Keyword(s):  
Leaf Area ◽  
Dry Matter ◽  
Quadratic Function ◽  
Potassium Sulfate ◽  
Linear Functions ◽  
Quadratic Functions ◽  
Positive Interaction ◽  
Relative Growth ◽  
High K ◽  
Cow Urine

Plant growth is influenced by nutrient availability. The objective of this research was to study, under greenhouse conditions, eggplant growth as affected by rates of bovine manure and magnesium thermophosphate (g kg-1 and mg kg-1, respectively), according to a "Box central composite" matrix: 4.15-259; 4.15-1509; 24.15-259; 24.15-1509; 0.0-884; 28.3-884; 14.15-0,0; 14.15-1768; 14.15-884. Potassium sulfate (170 mg kg-1) and 200 mL per pot of cow urine solution were applied four times, but the concentration of the last two applications (200 mL/H2O L) was twice of that of the first two. Additional treatments: magnesium thermophosphate without cow urine and triple superphosphate with urea, both with nutrient levels equivalent to the bovine manure, P2O5 and potassium sulfate to the combination 14.15-884. The experimental design consisted of randomized blocks with four replicates. Leaf area (LA) and LA ratio increased as quadratic functions with manure rates, with negative interaction for thermophosphate. Leaf dry matter mass (DMM) had an increasing quadratic function with rates for both fertilizers. The higher combined rates of both fertilizers resulted in the smallest specific leaf area, but also the highest values of shoot and root DMM, total DMM and, with positive interaction in relation to root shoot dry matter ratio. The relative growth rate in stem height, and also in diameter, increased with manure, according to quadratic and linear functions, respectively. The cow urine effect was, in general, lower than that of urea. The plant's overall growth was more influenced by manure. Root DMM and shoot DMM were greater with high K and P.

They’re Moving in Spaces They’re Not Used to: Examining the Racialized Experiences of African American Students in a High School STEAM Academy

2020 ◽  
pp. 001312452092861
Author(s):  
Edward C. Fletcher ◽  
Victor M. Hernandez-Gantes
Keyword(s):  
High School ◽  
African American ◽  
School Administrators ◽  
School Personnel ◽  
Pedagogical Practices ◽  
Student Experiences ◽  
Teachers And Students ◽  
Job Shadowing ◽  
The Face ◽  
And Mathematics

In this study, we explored how an urban high school with a STEAM (Science, Technology, Arts, and Mathematics) theme approached racialized student experiences as learning opportunities. We were interested in documenting curricular and pedagogical practices, and the mission of the STEAM Academy, which was aimed at exposing African American/Black students to possibilities beyond the school including university settings and workplace environments (through job shadowing and internships). Based on the perspectives of school personnel and community partners, we found the school administrators and teachers enacted social justice–centered curricular strategies to elicit emancipatory and participatory actions for administrators, teachers, and students. This type of curriculum for students helped them cope with the stressors of encountering racialized experiences and microaggressions in the school and beyond; thereby, enabling them to be resilient in the face of a discriminatory and oppressive society.

scholarly journals GROUNDS OF LAW AND LEGAL THEORY: A Response

Legal Theory ◽  
2007 ◽  
Vol 13 (3-4) ◽  
pp. 315-344 ◽  
Author(s):  
John Finnis
Keyword(s):  
Natural Law ◽  
Common Good ◽  
Legal Theory ◽  
Moral Judgments ◽  
The Rule Of Law ◽  
Sound Theory ◽  
Questions And Answers ◽  
The Face ◽  
Natural Law Theory ◽  
Good For

Linking theses of Plato, Wittgenstein, and Weber, section I argues that identification of central cases and settling of focal meanings depend upon the theorist's purpose(s) and, in the case of theory about human affairs—theory adequately attentive to the four irreducible orders in which human persons live and act—upon the purposes for which we intelligibly and intelligently act. Among these purposes, primacy (centrality) is to be accorded (by acknowledgement, not fiat) to purposes which are, as best the theorist can judge, reasonable and fit to be adopted by anyone, the theorist included. Section II defends the reasonableness (and hence entitlement to universal assent) of practical and moral judgments, against Michael Perry's ultimately nihilist claims that egoism's challenge to moral normativity has gone unanswered and that “reason for A” does not entail “reason for” anyone else. Section III takes up Steven Smith's suggestion that such subjectivism is encouraged by the talk in Natural Law and Natural Rights of “pursuing goods,” talk which (he argues) is individualistic and neglectful of (other) persons, inimical to an understanding of friendship, and impotent in the face of egoism. Here as elsewhere the key is to grasp that understanding any basic or intrinsic human good is to understand it as good for anyone like me and thus—since as I instantiate and embody a universal, viz. human being—as a good common to (good for) anyone and everyone. Section IV argues that common good (which includes respect for human rights, and the Rule of Law) gives reason for exercise and acceptance of authority, and for allegiance, even (and in a sense, especially) in time of breakdown. Section V argues that natural law theory is no more dependent on affirming God's existence than any other theory is, in any of the four orders of theory, but equally that is not safe for atheists. For, like any other sound theory, it suggests and is consistent with questions and answers about its grounds, in this case about the source of its normativity and of the human nature that its normative universals presuppose and affirm; and the answers are those argued for, too abstemiously, in the last chapter of NLNR and, more adequately, in the equivalent chapter of Aquinas.

Activities: Iterating Linear Functions—An Introduction to Dynamical Systems

1997 ◽  
Vol 90 (2) ◽  
pp. 122-136
Author(s):  
Jonathan Choate
Keyword(s):  
Mathematics Education ◽  
Dynamical Systems ◽  
Numerical Methods ◽  
Mathematics Curriculum ◽  
Secondary Mathematics ◽  
Linear Functions ◽  
Exponential Functions ◽  
Numerical Iteration ◽  
Symbolic Methods ◽  
And Mathematics

The arrival of computers has caused some major changes in both mathematics and mathematics education. One of the biggest shifts has been from an emphasis on symbolic methods to one on numerical methods. One field of mathematics, dynamical systems, requires considerable number crunching and is just coming into its own because we currently have the ability to perform extensive calculations easily. This article introduces students to this new field. The study of sequences created by using numerical iteration provides interesting new ways to approach many of the concepts central to the secondary mathematics curriculum, such as functions in general and linear and exponential functions in particular.

Extrapolating body masses in large terrestrial vertebrates

Paleobiology ◽  
2017 ◽  
Vol 43 (4) ◽  
pp. 693-699 ◽  
Author(s):  
Nicolás E. Campione
Keyword(s):  
Body Mass ◽  
Model Fitting ◽  
The Body ◽  
Linear Functions ◽  
Quadratic Functions ◽  
Quadratic Model ◽  
Implicit Assumption ◽  
Terrestrial Vertebrates ◽  
Scaling Models ◽  
Degree Term

AbstractDespite more than a century of interest, body-mass estimation in the fossil record remains contentious, particularly when estimating the body mass of taxa outside the size scope of living animals. One estimation approach uses humeral and femoral (stylopodial) circumferences collected from extant (living) terrestrial vertebrates to infer the body masses of extinct tetrapods through scaling models. When applied to very large extinct taxa, extant-based scaling approaches incur obvious methodological extrapolations leading some to suggest that they may overestimate the body masses of large terrestrial vertebrates. Here, I test the implicit assumption of such assertions: that a quadratic model provides a better fit to the combined humeral and femoral circumferences-to-body mass relationship. I then examine the extrapolation potential of these models through a series of subsetting exercises in which lower body-mass sets are used to estimate larger sets. Model fitting recovered greater support for the original linear model, and a nonsignificant second-degree term indicates that the quadratic relationship is statistically linear. Nevertheless, some statistical support was obtained for the quadratic model, and application of the quadratic model to a series of dinosaurs provides lower mass estimates at larger sizes that are more consistent with recent estimates using a minimum convex-hull (MCH) approach. Given this consistency, a quadratic model may be preferred at this time. Still, caution is advised; extrapolations of quadratic functions are unpredictable compared with linear functions. Further research testing the MCH approach (e.g., the use of a universal upscaling factor) may shed light on the linear versus quadratic nature of the relationship between the combined femoral and humeral circumferences and body mass.

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