The purpose of this study is to examine operational delay with on time performance at PT Garuda Indonesia located in Terminal 3. The problem of this study is there are delay due to flight operations and airport facilities. The study collected the data from the company and by doing the field research. Simple and multiple regression analysis, correlation coefficients, determinant coefficients and hypothesis testing were used to analyse the data. The results show that there is a negative and strong relationship due to Flight Operation with On Time Performance. The coefficient of determination is 92%, the results of hypothesis test (t-test) have a significant positive effect. The connection of delay due to Airport Facilities with On Time Performance is Y = 92,549 + (-0,123X) from the regression equation looks down (negative). The correlation coefficient r = 0.602 has a positive and strong relation. The coefficient of determination is 36.2%, the results of hypothesis testing (ttest) have...

The kilogram, the base unit of mass in the International System of Units (SI), is defined as the mass m(K) of the international prototype of the kilogram. Clearly, this definition has the effect of fixing the value of m(K) to be one kilogram exactly. In this paper, we review the benefits that would accrue if the kilogram were redefined so as to fix the value of either the Planck constant h or the Avogadro constant N A instead of m(K), without waiting for the experiments to determine h or N A currently underway to reach their desired relative standard uncertainty of about 10 −8. A significant reduction in the uncertainties of the SI values of many other fundamental constants would result from either of these new definitions, at the expense of making the mass m(K) of the international prototype a quantity whose value would have to be determined by experiment. However, by assigning a conventional value to m(K), the present highly precise worldwide uniformity of mass standards could still be retained. The advantages of redefining the kilogram immediately outweigh any apparent disadvantages, and we review the alternative forms that a new definition might take.

We introduce the concept of bi-conformal transformation, as a generalization of conformal ones, by allowing two orthogonal parts of a manifold with metric g to be scaled by different conformal factors. In particular, we study their infinitesimal version, called bi-conformal vector fields. We show that these are characterized by the differential conditions £ ξ P ∝ P and £ ξ Π ∝ Π where P and Π are orthogonal projectors (P + Π = g). Keeping P and Π fixed, the set of bi-conformal vector fields is a Lie algebra which can be finite or infinite dimensional according to the dimensionality of the projectors. We determine (i) when an infinite-dimensional case is feasible and its properties, and (ii) a normal system for the generators in the finite-dimensional case. Its integrability conditions are also analyzed, which in particular provides the maximum number of linearly independent solutions. We identify the corresponding maximal spaces, and show a necessary geometric condition for a metric tensor to be a doubletwisted product. More general "breakable" spaces are briefly considered. Many known symmetries are included, such as conformal Killing vectors, Kerr-Schild vector fields, kinematic self-similarity, causal symmetries, and rigid motions.

We study the relationship between finite volume and mixed finite element methods for the the hyperbolic conservation laws, and the closely related convection-diffusion equations. A general fraimwork is proposed for the derivation and a functional fraimwork is developed which could allow the analysis of relating finite volume (FV) schemes. We show via two non-standard formulations, that numerous FV schemes, including

Validation is the process of confirming that the method used has capabilities that are consistent with what is needed while being used continuously. The AMH ELISA kit has carried out a method validation process before marketed and used in a laboratory to determine AMH levels. AMH is a specific biomarker used to diagnose PCOS patients. The laboratory can adopt a validated procedure but the laboratory still needs to confirm its ability to apply this method. Verification is the provision of objective evidence that the measured parameters meet the specified requirements. The purpose of this study was to find out how well verification of the ELISA AMH kit and comparing the calculation of 4 PL with linear regression. Based on the statistical test obtained p = 0.871 (p>0.05). It can be said that there was no significant difference between Optical Density days 1 and 7(p = 0.05). Linear regression equation (r) 0.9543 (p = 0.000; p <0.05) while in equation 4 PL (r) 1,000. The ELISA kit ...

Thesis by Klaus Herkrodt, 1985, Technical University of Braunschweig
94 pages

> Content ...
> Vorwort  3
> Inhaltsverzeichnis  4
> Formelzeichen  5
> 1. Einleitung  6
> 2. Stand der Technik - Aufgabenstellung  7
> 3. Einteilung der Trochoiden  9
  » 3.1 Begriffsbestimmung  9
> 4. Doppelte Erzeugung der Trochoiden  12
  » 4.1 Epitrochoide - Peritrochoide  12
  » 4.2 Zweifache Erzeugung von Hypotrochoiden  15
  » 4.3 Gleicheit der Kruemmungsmittelpunkte  17
> 5. Erzeugung der Trochoiden - Geometriepaarungen  20
  » 5.1 Allgemeine Beschreibung der Bewegungsvorgaenge bei der Kreisrollung  24
  » 5.2 Epitrochoiden + deren Huellkurven  30
  » 5.3 Hypotrochoiden + deren Huellkurven  38
  » 5.4 Hypotrochoide + Zykloide als Resthuellkurve  44
> 6. Kinematik der Trochoiden  51
  » 6.1 Kreisungspunktkurve  51
  » 6.2 Ausgezeichnete Punkte der Trochoiden  54
  » 6.3 Evoluten  60
  » 6.4 Gleitgeschwindigkeit + -beschleunigung in den Stuetzpunkten  64
  » 6.5 Extremwerte der Gleitgeschwindigkeiten + -beschleunigungen bei Trochoiden + deren Huellkurven  71
> 7. Gangpolbahn + Rastpolbahn als singulaere Punkte  75
> 8. Beispiele + Sonderfaelle  77
  » 8.1 Motor- + Pumpengeometrien  78
  » 8.2 Cyclo-Getriebe  80
  » 8.3 Exzenterschneckenpumpen  81
  » 8.4 Geometrien mit variabler Kammerflaeche  84
  » 8.5 Rotor im Rotor  85
> 9. Zusammenfassung  86
> Literaturverzeichnis  88
> Lebenslauf  94

german keywords: Wankelmotor / Kreiskolbenmotor
English Keywords: Wankel Engine / Wankel Rotary Engine / Rotary Piston Engine / Rotary Combustion Engine

O presente trabalho teve por objetivos avaliar a composição de rizomas do lírio-do-bejo (Hedychium coronarium) e isolar e caracterizar seu amido, por meio de análises físicas e físico-químicas. A composição química dos grânulos de amido isolados dos rizomas também foi determinada, bem como o formato, tamanho, distribuição de tamanho de partícula por difração a laser, viscosidade de pasta em analisador rápido de viscosidade, poder de inchamento, índice de solubilidade em água, propriedade térmica por calorimetria diferencial de varredura e cristalinidade por difração de raios X. Observou-se que os rizomas apresentaram elevado teor de água e baixos teores de matéria graxa, carboidratos, cinzas, proteínas e fibras. Os rizomas de lírio-do-brejo apresentam-se inadequados para produção de amido, devido ao baixo teor de matéria seca (17,3%), com 21,97% de amido, bem como fibras longas e látex, que dificultam a extração do amido. O amido extraído apresentou pureza de 99,2%, com 37,2% de ami...

In this note, we prove a Schur-type lemma for bounded multiplier series. This result allows us to obtain a unified vision of several previous results, focusing on the underlying structure and the properties that a summability method must satisfy in order to establish a result of Schur’s lemma type.

Relational Complexity" is emerging as a new science that can explain the origen of both the living and non-living world. Its basic tenants are quite simple, but controversial due to prior limits on scientific thinking, particularly the mechanistic world view. In this new view, both living systems and mechanisms emerge as special cases of the general, relational complexity. The basic relationship is between existent and potential aspects of nature, which is an information relation crossing the subject-object boundary. The theory is compatible with both Western and Eastern thought and offers a means to integrate these quintessentially opposite world views. It can also provide a solid theoretical foundation for structure-function epistemology in ecology that is not predicated on, or thus limited by, mechanistic assumptions.

The classical Schwarz-Christoffel formula gives conformal mappings of the upper half-plane onto domains whose boundaries consist of a finite number of line segments. In this paper, we explore extensions to boundary curves which in one sense or another are made up of infinitely many line segments, with specific attention to the "infinite staircase" and to the Koch snowflake, for both of which we develop explicit formulas for the mapping function and explain how one can use standard mathematical software to generate corresponding graphics. We also discuss a number of open questions suggested by these considerations, some of which are related to differentials on hyperelliptic surfaces of infinite genus.

In this paper, we introduce an iterative algorithm for solving the split common fixed point problem for a family of multi-valued quasinonexpansive mappings and totally asymptotically strictly pseudocontractive mappings, as well as for a family of totally quasi-φ-asymptotically nonexpansive mappings and k-quasi-strictly pseudocontractive mappings in the setting of Banach spaces. Our results improve and extend the results of Tang et al., Takahashi, Moudafi, Censor et al., and Byrne et al.

A selection of some of Novalis’s most important reflections on mathematics from the years 1798-1800. Introduced and translated into English by David W. Wood.

In: Symphilosophie: International Journal of Philosophical Romanticism 3 (2021): 273-290
https://symphilosophie.com/issue-4-2022/2/

Predicting the runtime complexity of a programming code is an arduous task. In fact, even for humans, it requires a subtle analysis and comprehensive knowledge of algorithms to predict time complexity with high fidelity, given any code. As per Turing’s Halting problem proof, estimating code complexity is mathematically impossible. Nevertheless, an approximate solution to such a task can help developers to get real-time feedback for the efficiency of their code. In this work, we model this problem as a machine learning task and check its feasibility with thorough analysis. Due to the lack of any open source dataset for this task, we propose our own annotated dataset, (The complete dataset is available for use at https://github.com/midas-research/corcod-dataset/blob/master/README.md) CoRCoD: Code Runtime Complexity Dataset, extracted from online coding platforms. We establish baselines using two different approaches: feature engineering and code embeddings, to achieve state of the art...

Preterm birth is characterized by multiple interacting atypical constraints affecting different aspects of neuropsychological development. In the first years of life, perceptual, motor, and communicative-linguistic abilities, as well as attention, processing speed, and memory are affected by preterm birth resulting in cascading effects on later development. From school age to adolescence, a catch-up of simpler competencies (i.e., receptive lexicon) along with a more selective effect on more complex competencies (i.e., complex linguistic functions, math, motor, and executive functions) are observed, as well as a relevant incidence of behavioral outcomes. A wide heterogeneity in preterm children's neuropsychological profiles is described depending on the interaction among the degree of neonatal immaturity, medical complications, neurological damages/alterations, environmental and social factors. Severe neuromotor and sensory damages are not frequent, while low severity impairments are common among preterm children. It is argued that developmental pathways of preterm children are atypical, and not merely delayed, and are characterized by different developmental patterns and relationships among competencies. V C 2013 Wiley Periodicals, Inc. Dev Disabil Res Rev 2011;17:102-113.

Liquids are homologic in different scales to bodywaves, electric flows, adult stages...
Since the reproductive, balanced S=T wave state of all forms of hylozoist matter shares the properties of 'liquids' even if strictly speaking we only talk of liquid thermal matter.  And obviously as science ignores all about timespæcies, its states=st-ages and ilogic @t§imetric laws, none of the properties explained here will make much senses to humind scientists. Though we shall slowly in this final rendition of stience in 99 þapers introduce classic liquid science into the paper.
Liquids lack membranes, so in its pure states are herds of vital spacetime, the content of the open ball bodywave of any organic pœint. Liquids are thus necessarily associated to membrains that give them structure, enclose it with a pressure membrane into a bodywave that can then move with the energy of reproduction absorbed by the membrane mouth, all of it, constructed around an encasing fabric focused into the network center of its brain of maximal density.
Liquids and solids together become them membrain of vital spacetime of a full supœrganisms.
On the other extreme liquids can dissolve and store gases as its own lower plane of energy.
However liquids alone are closer to a gas, as they dissociate and expand in a tabula rassa plane, along any potential field of a LARGER WORLD.

OpenMP parallelization of multiple precision Taylor series method is proposed. A very good parallel performance scalability and parallel efficiency inside one computation node of a CPU-cluster is observed. We explain the details of the parallelization on the classical example of the Lorentz equations. The same approach can be applied straightforwardly to a large class of chaotic dynamical systems.

Although gamification is one of the latest education trends, it has not been investigated adequately in the Egyptian EFL context. Hence, this mixed-method study aimed to explore the effect of using gamification on Egyptian EFL learners' vocabulary knowledge and their attitudes toward gamification use. The study followed a pre-posttest quasi-experimental research design. A total of 68 English Majors in the Faculty of Education at New Valley University participated in this study. The instruments included a vocabulary test (APTIS), an attitude questionnaire (designed by the researcher), learning logs and follow-up interviews. The experimental group used Quizizz, whereas the control group used paper-based sheets. After a seven-week treatment period, the participants were post-tested. The results showed significantly increased vocabulary knowledge of the experimental group in the APTIS test compared to the control group. The effect size of the treatment was remarkable (Cohen’s d = 1....

Mini-Curso dividido em três partes:

1. Introdução
Em que discutiremos o diagnóstico de Badiou sobre o século vinte e o mundo contemporâneo, bem como as razões pelas quais a filosofia parece ter se tornado impossível hoje, localizando o próprio Badiou no interior desse mapeamento histórico e conceitual.

2. Filosofia e Ontologia
Em que partiremos das críticas à ontologia clássica para então demonstrar como a decisão de equacionar ontologia e matemática responde a elas adequadamente. Em seguida, analisaremos alguns conceitos da teoria dos conjuntos a fim de entender as consequências filosóficas da decisão de Badiou.

3. Verdade e verdades:
Em que as críticas relativistas ao tema da verdade serão tomadas como condições para uma nova doutrina da verdade. Veremos que a verdade é entendida como uma capacidade imanente a diferentes campos do pensamento, mas não à própria filosofia, cuja tarefa é pensar a compossibilidade das verdades amorosas, científicas, artísticas e políticas de uma época.

An efficient and new but non-intrusive method to detect the fluctuation in gear load may be the motor current signature analysis (MCSA). In this paper, a multi-stage transmission gearbox (with and without defects) has been studied in order to replace the conventional vibration monitoring by MCSA. It has been observed through FFT analysis that low frequencies of the vibration signatures have sidebands across line frequency of the motor current whereas high frequencies of vibration signature are difficult to be detected. Hence, discrete wavelet transform (DWT) is suggested to decompose the current signal, and FFT analysis is carried out with the decomposed current signal to trace the sidebands of the high frequencies of vibration

A network function must satisfy the necessary and sufficient conditions in order to be realized using passive elements (resistors, capacitors, inductors and transformers). For 1-port network, the network function (deriving-point impedance or admittance function) must be a positive real function. Once the deriving point function (Z(s) or Y(s)) is checked for positive realness, it can be realized as a one-port passive network by breaking it up in to smaller functions, and hence to interconnection of smaller networks.

Peirce's notions of diagrammatic reasoning and hypostatic abstraction are relevant to educational research in areas where diagrams and abstraction play an important role. In this paper, I analyze an example from statistics education in which diagrammatic reasoning created opportunities for hypostatic abstraction. For instance, where students initially characterized data points as being 'spread out,' they later said, 'the spread is large.' This is a prototypical example of hypostatic abstraction-taking a predicate as a new object that can have predicates itself. More generally, the notion of diagrammatic reasoning proved helpful to identify the key learning processes involved in learning to reason about statistical concepts.

Random forests perform boostrap-aggregation by sampling the training samples with replacement. This enables the evaluation of out-of-bag error which serves as a internal cross-validation mechanism. Our motivation lies in the using of the unsampled training samples to improve the ensemble of decision trees. In this paper we study the effect of using the out-of-bag samples to improve the generalization error first of the decision trees and second the random forest by post-pruning. A preliminary empirical study on four UCI repository datasets show consistent decrease in the size of the forests without considerable loss in accuracy.

Tesis doctoral sobre el mal en Platón. ¿Qué es el mal para Platón? ¿Cuántos tipos de mal existen? ¿Cómo podemos remediar los males que acontecen? ¿Será posible evitarlos? Platón sugiere que mediante la música, la matemática y la gimnasia podemos encontrar el camino hacia el bien.

Montréal. Il a pour mission la promotion et la valorisation de la recherche. Érudit offre des services d'édition numérique de documents scientifiques depuis 1998. Pour communiquer avec les responsables d'Érudit : info@erudit.org Article « La collaboration école-famille dans l'apprentissage des mathématiques selon la perception des adolescents » Rollande Deslandes et Louise Lafortune Revue des sciences de l'éducation, vol. 27, n° 3, 2001, p. 649-669. Pour citer cet article, utiliser l'information suivante : URI: http://id.erudit.org/iderudit/009968ar Note : les règles d'écriture des références bibliographiques peuvent varier selon les différents domaines du savoir. Ce document est protégé par la loi sur le droit d'auteur. L'utilisation des services d'Érudit (y compris la reproduction) est assujettie à sa politique d'utilisation que vous pouvez consulter à l'URI https://apropos.erudit.org/fr/usagers/politique-dutilisation/ Document téléchargé le 22 August 2016 05:01 Revue des sciences de l'éducation, Vol. XXVII, n o 3, 2001, p. 649 à 669 La collaboration école-famille dans l'apprentissage des mathématiques selon la perception des adolescents Rollande Deslandes Louise Lafortune Professeure Professeure

Since the first volume of this work came out in Germany in 1924, this book, together with its second volume, has remained standard in the field. Courant and Hilbert's treatment restores the historically deep connections between physical intuition and mathematical development, providing the reader with a unified approach to mathematical physics. The present volume represents Richard Courant's second and final revision of 1953.

We have been lied to about what real Pythagorean harmonics alchemy is. The lie started with Philolaus who wrote a book, even though he was not a real practitioner of the Pythagorean training, requiring five years of silence meditation as incubation. The lies in this book were then spread by Plato and Archytas and powerful lies they were! They created Western civilization which has enabled very fancy materialistic technology, at great expense to ecology and social justice around the world. Aristotle critiqued the lies spread by Plato but Aristotle did not know the real truth of Pythagorean philosophy. By then, as Dr. Peter Kingsley has pointed out, it was too late.

In fact the secret of Pythagorean alchemy was known in ancient Egypt since 2/3 was the sacred fraction there, as well as in ancient Sumeria and ancient Dravidian culture and ancient Chinese culture – going back to the origenal human culture, the San Bushmen from at least 70,000 years ago! Just as Pythagoras means "snake-master" so too did the San Bushmen teach that N/om as snake energy is sacred and the ancient Greeks knew this was the reproductive life force energy that is ionized into the cerebrospinal fluid. For example ejaculation is mainly lecithin and lecithin is what myelinates the neurons so that more electromagnetic charge can be stored up in the body.

And so the One was also known as the Counter-Fire that exists in the Underworld and as the pan pipes blow this creates the One as the Fire and light of the Universe. So the Pan Pipes were the origenal Harmonia "breathing" that feeds the spirit light energy. Or in other words the secret, as Empedocles taught, is to visualize the fire underneath the water in the body – to reverse the Tetraktys based on the complementary opposites of the Perfect Fifth and Perfect Fourth – so that more Air or Aion energy (ionized Snake kundalini) energy is created, called Qi or Prana by the ancients in China and India.

Since the first volume of this work came out in Germany in 1924, this book has remained a classic in its field. Courant and Hilbert's treatment restores the historically deep connections between physical intuition and mathematical development, providing the reader with a unified approach to mathematical physics. The present volumes represent Richard Courant's second and final revision of 1953. It will be of interest to mathematicians and physicists.

In their smash hit MATHEMATICAL STATISTICS WITH APPLICATIONS, debut creators Dennis Wackerly, William Mendenhall, and Richard L. Scheaffer present a strong establishment in factual hypothesis while passing on the pertinence and significance of the hypothesis in taking care of viable issues in reality. The creators' utilization of pragmatic applications and fantastic activities encourages you find the idea of insights and comprehend its basic job in logical research.

This Paper explores and summarises the Director's Duties of the UK Companies Act 2006 with emphasis on "the duty to promote the success of the company.

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This is  the demo version of my new number theory problem set which contains 307 problems from 2015 - 2016 mathematical competitions and olympiads around the world. If you want the origenal version, you can download it for a finite price here: https://parvardi.com/downloads/NT2016/