Graphing_ Plotting_PLS

# Graphing_ Plotting_PLS - Department of Mechanical...

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Department of Mechanical Engineering Graphing and Plotting ES 140 Section 5 Fall 2006

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Department of Mechanical Engineering Types of graphing formats Linear Linear and Logarithmic
Department of Mechanical Engineering Site for obtaining graphing tools http://www.csun.edu/~vceed002/ref/measurement Log - Log

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Department of Mechanical Engineering Example data
Department of Mechanical Engineering Example data

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Department of Mechanical Engineering Representation of graphical data General Procedures: Determine the dependent and independent variables. Select the correct type of graph paper and grid spacing Choose the proper horizontal and vertical axes location Determine the appropriate scale units for each axis
Department of Mechanical Engineering Graphing procedures Graduate and calibrate the axes Label each axis completely (name and units) Plot points and use clearly identifiable symbols Check points that seem to be in the wrong location Draw the curve or curves. Identify each curve, add titles and other necessary notes. Darken lines for good reproduction.

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Department of Mechanical Engineering Axes location If there are both positive and negative values, divide the coordinate field into four quadrants Extend the axes slightly beyond the smallest and largest value (unless the smallest/largest value is 0) Use the entire coordinate area as completely as possible to avoid wasted space and so your drawing is as large as possible
Department of Mechanical Engineering Scale Graduations and Calibrations The scale is a series of marks, called graduations , located at predetermined distances along the axis; they can be uniform non-uniform functional Numerical values assigned to significant graduations are called calibrations

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Department of Mechanical Engineering Graduation and Calibration values Choice of scale graduations is very important. The “1, 2, 5 rule” is as follows:
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## This test prep was uploaded on 04/08/2008 for the course ES 140 taught by Professor Varies during the Fall '07 term at Vanderbilt.

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Graphing_ Plotting_PLS - Department of Mechanical...

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