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to a first approximation

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1.to a first approximation - When one is doing certain numerical computations, an approximate solution may be computed by any of several heuristic methods, then refined to a final value. By using the starting point of a first approximation of the answer, one can write an algorithm that converges more quickly to the correct result.
2.to a first approximation - In jargon, a preface to any comment that indicates that the comment is only approximately true. The remark "To a first approximation, I feel good" might indicate that deeper questioning would reveal that not all is perfect (e.g. a nagging cough still remains after an illness).


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2 MPa) can be approximated by a linear slip law to a first approximation.
2:15 MAPPING ANOMALIES IN THE EARTH'S MAGNETIC FIELD WITH THE GAMMA-RAY BURST DETECTOR, FREGATE Brad Newton Barlow (1)*, John Patrick Lestrade (1), and Jean-Luc Atteia (2), (1) Mississippi State University, Mississippi State, MS 39762, and (2) Observatoire Midi-Pyrennees, Toulouse, France To a first approximation, the Earth's magnetic field is a slightly-tilted dipole offset from the center of our planet.
To a first approximation the entire set of decoupling capacitors must be large enough to provide the total charge required to run the chip for one clock cycle without allowing the voltage to drop so far that it begins to falsely trigger gates.
 
 
 
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