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The DFT Matrix for Non Uniform Time Samples Series Problem Statement We have a signal $x \left( t \right)$ defined on the interval $\left[ {T}_{1}, {T}_{2} \right]$. Assume we have $N$ samples of it given by $\left\{ x \left( {t}_{i} \right) \right\}_{i = 0}^{N - 1}$. The samples time ${t}_{i}$ is arbitrary and not necessarily uniform. We're ...