2 edition of **new algorithm for production smoothing through equivalent transformation** found in the catalog.

new algorithm for production smoothing through equivalent transformation

Minoru Yoshida

- 122 Want to read
- 37 Currently reading

Published
**1983**
by Faculty of Economics, Shiga University in Hikone, Japan
.

Written in English

- Production planning.,
- Algorithms.

**Edition Notes**

Statement | Minoru Yoshida. |

Series | Working paper ;, no. 8, Working paper (Shiga Daigaku. Keizai Gakubu) ;, no. 8. |

Classifications | |
---|---|

LC Classifications | TS176 .Y67 1983 |

The Physical Object | |

Pagination | 41 leaves ; |

Number of Pages | 41 |

ID Numbers | |

Open Library | OL2588675M |

LC Control Number | 85139588 |

An approach to smoothing and forecasting for time series with missing observations is proposed. For an underlying state‐space model, the EM algorithm is used in conjunction with the conventional Kalman smoothed estimators to derive a simple recursive procedure for . If the trend parameter is 0, then this technique is equivalent to the Exponential Smoothing technique. (However, results may not be identical due to different initialization methods for these two techniques.) Holt-Winters Smoothing. Holt Winters Smoothing introduces a third parameter (g) to account for seasonality (or periodicity) in a data set.

I'm searching for an algorithm for path simplification and smoothing for 2D trajectories. So I have a ordered list of 2D points. These points should be simplified, e.g. with the Ramer–Douglas–Peucker algorithm. But the output must be smooth, so the resulting path should be constructed from Bezier curves or splines. A new linear-time algorithm is presented in this paper that simultaneously labels connected components (to be referred to merely as components in this paper) and their contours in binary images.

What it looks like you have here is a bass-ackwards implementation of a finite impulse response (FIR) filter that implements a boxcar window ng about the problem in terms of DSP, you need to filter your incoming vector with NO_OF_NEIGHBOURS equal FIR coefficients that each have a value of 1/ is normally best to use an established algorithm rather than reinvent. the series back and apply the algorithm in the regular manor. Relationship to ARIMA Method It can be shown that both double exponential smoothing and Holt’s linear trend technique are equivalent to the ARIMA(0,2,2) model (see Kendall and Ord () page ). This is why backcasting is recommended for initial values. Assumptions and Limitations.

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(). Production smoothing in just-in-time manufacturing systems: a review of the models and solution approaches. International Journal of Production Research: Vol. 45, The Toyota Production System: Thirty Years of Research, and Beyond, pp. Cited by: Data smoothing is done by using an algorithm to remove noise from a data set.

This allows important patterns to stand out. Data smoothing. Exponential smoothing is a rule of thumb technique for smoothing time series data using the exponential window s in the simple moving average the past observations are weighted equally, exponential functions are used to assign exponentially decreasing weights over time.

It is an easily learned and easily applied procedure for making some determination based on prior. Exponential Smoothing Methods combine Error, Trend, and Seasonal components in a smoothing calculation. Each term can be combined either Author: Daitan. A Savitzky–Golay filter is a digital filter that can be applied to a set of digital data points for the purpose of smoothing the data, that is, to increase the precision of the data without distorting the signal tendency.

This is achieved, in a process known as convolution, by fitting successive sub-sets of adjacent data points with a low-degree polynomial by the method of linear least squares. Algorithms. One of the most common algorithms is the "moving average", often used to try to capture important trends in repeated statistical image processing and computer vision, smoothing ideas are used in scale space representations.

The simplest smoothing algorithm is the "rectangular" or "unweighted sliding-average smooth". 5 Smoothing algorithms Why returns do not combine neatly over time The importance of internally consistent return contributions Path-independence Carino smoothing Geometric smoothing Foreign - Selection from Mastering Attribution in Finance [Book].

Data smoothing can use any of the following methods: Random walk is based on the idea that the next outcome, or future data point, is a random deviation from the last known, or present, data point.

Moving average is a running average of consecutive, equally spaced periods. An example would the calculation of a day moving average of a stock price.

A new approach to production smoothing. International Journal of Production Research: Vol. 12, No. 6, pp. The FT algorithm, on the other hand, kept most original NDVI values and estimated new values only for outliers and points with data quality issues, thus it is less aggressive in terms of data smoothing and maintains subtle profile features that are potentially lost with the other algorithms tested.

Exponential smoothing is a time series forecasting method for univariate data that can be extended to support data with a systematic trend or seasonal component. It is a powerful forecasting method that may be used as an alternative to the popular Box-Jenkins ARIMA family of methods.

In this tutorial, you will discover the exponential smoothing method for univariate time series forecasting. Double Exponential Smoothing is better at handling trends. Triple Exponential Smoothing is better at handling parabola trends.

An exponenentially weighted moving average with a smoothing constant a, corresponds roughly to a simple moving average of length (i.e., period) n, where a and n are related by: a = 2/(n+1) OR n = (2 - a)/a.

Smoothing methods include techniques such as kernel smoothing, polynomials and splines. Kernel smoothing uses a set of local weights to generate a smoothed estimate. However, in certain applications, this can be mathematically difficult.

Polynomials are the simplest functional smoothed form, where you can easily add the term to the right of the. smoothing could remove production-relevant features. The proposed two-step smoothing algorithm avoids shrinkage phenomena and is easy to adjust.

It still works in an acceptable time with large structures and keeps production-relevant features of the optimised structure. DESCRIPTION OF THE ALGORITHM The basis for smoothing is an optimised. Smoothing in Matlab and Octave. The custom function fastsmooth implements shift and multiply type smooths using a recursive algorithm.

(Click on this link to inspect the code, or right-click to download for use within Matlab). "Fastsmooth" is a Matlab function of the form s=fastsmooth(a,w, type, edge). Fourier smoothing algorithm performed best in improving classification accuracy.

Abstract. In this study we compared the Savitzky–Golay, asymmetric Gaussian, double-logistic, Whittaker smoother, and discrete Fourier transformation smoothing algorithms (noise reduction) applied to Moderate Resolution Imaging Spectroradiometer (MODIS.

Two Dimensional Smoothing. Smoothing is used to elicit trends from noisy data. The three examples in Tukey´s book Exploratory Data Analysis (Addison-Wesley, ) show the need for smoothing beautifully.

The trends in the U.S. gold production from toFigure 1A, are fairly clear. The geometric element transformation method (GETMe) as a smoothing algorithm for tetrahedral meshes is introduced in [45], which was generalized to hybrid meshes in [40,41, 42, 43,44].

We consider. Fig. Illustrating the smoothing algorithm. (a) A jerky path produced by a sample-based planner. (b) Converted into a trajectory that stops at each milestone. (c) Attempting a random shortcut.

The feasibility check fails. (d),(e) Two more shortcuts, which pass the feasibility check. (f). Smoothing algorithms do not provide this building block. All three attribution measures in Table 3, shown in columns E through G, can be quickly and easily verified using the formulas shown at the tops of these columns.

Columns E and F use standard single-period formulas, while the new column G provides an informative new. The forecasting formula is based on an extrapolation of a line through the two centers.

(A more sophisticated version of this model, Holt’s, is discussed below.) The algebraic form of Brown’s linear exponential smoothing model, like that of the simple exponential smoothing model, can be expressed in a number of different but equivalent forms.In this paper we propose a new approach to smoothing.

First, we propose a simple algebraic way to smooth the Lennard-Jones and the electrostatic energy functions. These two terms are the main contributors to the energy function in many molecular models.

The smoothing scheme is much cheaper than the classic spatial averaging smoothing technique.T-Base: A Triangle-Based Iterative Algorithm for Smoothing Quadrilateral Meshes Gang Mei 1, John 1 and Nengxiong Xu 2 Abstract We present a novel approach named T-Base for smoothing planar and surface quadrilateral meshes.

Our motivation is that the best shape of quadrilateral.