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11 Interpolation

# 11 Interpolation - Interpolation CEE3804 Computer Apps for...

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Interpolation CEE3804 Computer Apps for Civil and Environmental Engineers

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Learning Objectives circle6 Define linear interpolation, quadratic interpolation, polynomial interpolation, spline, forward difference, backward difference circle6 Define and use the following Excel functions: index, choose, match, vlookup, hlookup, offset circle6 Use linear and quadratic interpolation for 1 dimensional problems circle6 Use linear interpolation for 2 dimensional problems
Interpolation circle6 “Interpolation is a procedure for determining a value of y corresponding to some specified value of x, when x falls between 2 known values. The known values will be members of a set of x-y data, for example P1=(x1,y1), P2=(x2,y2),…”, Gottfried circle6 If the known y values are measured with uncertainty, regression may be a better approach. circle6 If the known y values are precise data points, interpolation may be preferred.

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Interpolation Rojiani
Linear Interpolation circle6 A straight line is passed through the 2 known

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11 Interpolation - Interpolation CEE3804 Computer Apps for...

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