introduction to the use of diffusion models in forecasting. We use diffusion models in cases where an innovation diffuses through a population. In this note we focus on the simplest diffusion model: the logistic model. This model produces the familiar “S” curve in which a period of rapid acceleration is followed by deceleration and‚ finally‚ saturation. The graphs on the right show a logistic growth process. There is some base population that “adopts” the new innovation. The top graph shows the cumulative
Premium Exponential growth Logistic function Malthusian growth model
Spectrophotometer and its function Name: Ooi Shu Chien Student ID: 00000014507 Objective: 1. To determine the wavelength of maximum absorption‚ Amax of bromophenol blue. 2. To construct a standard concentration curve for bromophenol blue. 3. To determine the concentration of the unknown bromophenol blue solutions. 4. To determine the concentration of two different solutes‚ bromophenol blue and methyl orange‚ in a mixture
Premium Solution Curve Concentration
Contents 1. Summary 1 2. Introduction 1-3 1.1 Least Squares Method 2 1.1.1 Method 2 1.2 Minimum Zone Method 3 2. Objectives 3 3. Apparatus 3-4 4. Procedure 4 5. Results 4-7 5.1 Straightness 4-6 5.2 Flatness 7 6. Discussion 8-10 6.1 Straightness 8 6.2 Flatness 8-9 6.3 Closing error 9-10 7. Conclusion 10 8. References 10 9. Appendices 11-15 9.1 Appendix A-Procedure 11-13 9.2 Appendix B-Certificates of calibration 14-15 1. Summary The aim of this experiment was
Premium Analytic geometry Line Regression analysis
Definitions American Heritage® Dictionary of the English Language‚ Fourth Edition 1. n. A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the cone or by the locus of points equidistant from a fixed line and a fixed point not on the line. Century Dictionary and Cyclopedia 1. n. Same as parabole. 2. n. A curve commonly defined as the intersection of a cone with a Plane parallel with its side. The name is derived from the following property
Premium Conic section Analytic geometry Hyperbola
Eight Basic Flower Arranging Designs If you are used to working with fresh flowers‚ it will take some time to get used to all the possibilities and limitations when using silks. Though so similar in use‚ artificial flowers are an entirely different art form. The line‚ focal‚ filler technique is an excellent way to design artificial and dried flower arrangements. Horizontal Arrangements 1. Using a relatively shallow container‚ anchor foam with a lot of glue or use anchor pins‚ and position
Premium Flower Curve Plant morphology
open plane curve formed by the intersection of a cone with a plane parallel to its side Hyperbola: a symmetrical open curve formed by the intersection of a circular cone with a plane at a smaller angle with its axis thanDefintions Circle: a round plane figure that the circumference consists of points iuuuuequal distance from the center Parabola: a symmetrical open plane curve formed by the intersection of a cone with a plane parallel to its side Hyperbola: a symmetrical open curve formed by
Premium Conic section Analytic geometry Ellipse
IEEE/ACM TRANSACTIONS ON NETWORKING‚ VOL. 19‚ NO. 6‚ DECEMBER 2011 1787 Topological Detection on Wormholes in Wireless Ad Hoc and Sensor Networks Dezun Dong‚ Member‚ IEEE‚ Mo Li‚ Member‚ IEEE‚ Yunhao Liu‚ Senior Member‚ IEEE‚ Xiang-Yang Li‚ Senior Member‚ IEEE‚ and Xiangke Liao Abstract—Wormhole attack is a severe threat to wireless ad hoc and sensor networks. Most existing countermeasures either require specialized hardware devices or make strong assumptions on the network in order to capture
Premium Network topology Graph theory Computer network
the results support my hypothesis‚ which was‚ as the temperature increases the resistances decreases. For example the resistance at 20OC was ______ and at 50OC it was ______ which was much lower. Also the graph shows a negative correlation with a curve of best fit. This shows the relationship is not Ohmic as it is not a straight line. 2. EITHER; Yes I had an anomalous result‚ it was at a temperature of __OC. It was higher/lower (select the correct one) than it should have been. If the resistance
Premium Arithmetic mean Temperature Thermodynamics
to two inches above the anterior extremity of the first rib‚ and is indicated by a curved line drawn from the upper border of the sterno-clavicular articulation to the junction of the inner and middle thirds of the clavicle‚ the highest part of the curve being from 1/2 inch to 1 1/2 inches above the clavicle. The apex of the right lung is 1/2 inch higher than that of the left. The subclavian artery lies on the cervical pleura covering the apex of the lung. The anterior border of the right lung is
Premium Curve Heart
center point and the petals are the elements that radiate in a circular fashion. This card fit into my theme of music because I used a music note as the center point. 2 - Movement Movement in design comes from the kinds of shapes‚ forms‚ lines‚ and curves that are used to give the illusion of movement or motion by directing the eye of the viewer from one part of the design or picture to other. I demonstrated movement in my card because I placed a banner of piano keys in a curved line across the top
Premium Debut albums Musical notation Sound