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rma functions from pinescript to MT5
I want to port the functions from pinescript to MT5 but I don't know how to do the recursive part. rma(src, length,m) => alpha = m / length sum = 0.0 sum := na(sum[1]) ? sma(src, length) : alpha * src + (1 - alpha) * nz(sum[1]) This part of ' sum[1]' is not known how to implement