Given a set of measurements of dependent variables in a vector, Y, that vary with one independent variable in a vector, X, calculate the interpolating polynomial using Lagrange interpolation. Output is the interpolated value for a given value of x, as well as the vector of Lagrange polynomial coefficients.
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Could you please explain the output (the order of arrangement of coefficients, etc)? With my program I'm getting the right coefficients (tried from wikipedia, etc) but they don't match yours. Only the interpolated value matches!