In this application there is a specific requirement that the harmonic content of the original signal be preserved without creating aliased harmonic content of the original signal above the original Nyquist limit of the signal i. By using this site, you agree to the Terms of Use and Privacy Policy.

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In any case, there are infinitely many ways to interpolate your data. Trial software. Requires at least 2 points Requires more memory and computation time than nearest neighbor.

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How to use linear interpolation? - MATLAB Answers - MATLAB Central

Now evaluate v at xq using the 'pchip' method and assign any values outside the domain of x to the value, Temperature, xq, 'spline' ;. Multivariate interpolation is the interpolation of functions of more than one variable. We can develop then the following Matlab function.

Select a Web Site Choose a web site to get translated content where available and see local events and offers. Answer by Walter Roberson Walter Roberson view profile. The size of the first nonsingleton dimension of v must be the same as the length of x.

Trial software. The length of x must conform to one of the following requirements:. Suppose the formula for some given function is known, but too complicated to evaluate efficiently. As you can see, I have the skeleton of a line.

Crochiere and L. This article includes a list of references , but its sources remain unclear because it has insufficient inline citations.

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XI can be a row vector, in which case it specifies a matrix with constant columns. All other interpolation methods return NaN by default for query points outside the domain. Apply Today. Requires more memory and computation time than nearest neighbor.