searchless

adj

1. Impossible to be searched; inscrutable; impenetrable.

   “Th'inticing Smile; the modest-seeming eye, Beneath whose Beaueous Beams, belying Heaven, Lurk searchless Cunning, Cruelty, and Death: And still, false-warbling in his cheated Ear, Her syren Voice, enchanting, draws him on, To guileful Shores, and Meads of fatal Joy.”

   “Famine, murder, hell and power Were glutted in that glorious hour Which searchless fate had stamped for me With the seal of her security”

   “Though others faint—though erring nature stray, Guard thou the searchless mandate,—and Obey!”

   “By the presaging of the seven planets, And by the searchless sources of the Nile, And by the prayers of Christian and of Heathen , And by the elements earth, air and fire, That hold within their intermingled veins The secret of illimitable life—By fate and time and God—I here conjure you”

2. Vast; Too massive or great to be fully known.

   “O Goodness searchless! Thou who once didst walk With man on earth, with man familiar talk,!”

   “I'll sing the searchless depths of the compassion divine, The depths unfathomed yet By reason's plummet and the line of wit, - Too light the plummet and too short the line;”

   “Facing the East, and its searchless savannas— Facing the gloom of the thicket and forest;”

   “It is better to remember Mr. Boyd gratefully as the author of the beautiful communion hymn, "O teach us, Lord, Thy searchless love to know," than as one who inadvertently perpetrated a doctrinal deviation which contributed to a minor ecclesiastical cleavage.”

3. That arrives at a solution by analytic means, rather than by trial and error or iterative searching.

   “Finding of the optimum regime, corresponding to the extremum of the quality index, may be carried out by an automatic search (search and extremal ACS) or by a searchless way ( searchless or analytical ACS).”

   “As an alternative and an extension to the trial-and-error adaptation employed in systems with extremum-seeking regulatory mechanisms is the idea of direct, searchless optimization proposed in the 1960s.”

   “The control is sought in the class of searchless self-adjustable systems that provide the linearity of the basic adjusting contour if the object state deviates from the unperturbed movement.”

   “Similarly, in [99], a discrete wavelet transform is used alongside the parallel implementation of FIC. Jackson et al. [88] exercised a searchless approach to encode the image using FIC and claimed to achieve a higher compression ratio.”