KIN
发表于 2025-3-28 16:07:29
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BRAND
发表于 2025-3-28 21:55:17
https://doi.org/10.1385/159259283Xct a model of the spread of innovations among farmers, and then show that this same model describes the spread of innovations in such diverse industries as bituminous coal, iron, and steel, brewing, and railroads.
不能强迫我
发表于 2025-3-28 23:37:03
Aishwarya Sundaresh,Owen Williamsvers who cannot stop have a chance to pass through the intersection on the amber. A driver approaching an intersection should never be in the dilemma of being too close to stop safely and yet too far away to pass through the intersection before the red phase starts.
细胞
发表于 2025-3-29 03:56:55
https://doi.org/10.1007/978-981-10-3233-2ur primary interest is whether the queue which forms at the downstream light backs up to the upstream intersection (see Figure 11.1). Clearly, if the downstream queue does interfere with the operation of the upstream intersection, then other considerations must be made, possibly installing a synchronized light at the upstream intersection.
Extemporize
发表于 2025-3-29 10:48:14
Johannes Schweikle,Norbert Enkerles between point . and point . + Δ. on the road at time . (see Figure 14.1). We shall . that .(., .) exists such that for any ., Δ., and ., . We note that, by the fundamental theorem of calculus, ... We shall assume that we can adequately model the situations of interest with the assumption that . is continuous.
concubine
发表于 2025-3-29 11:35:10
Andrés Kecskeméthy,Vincenzo Parenti-Castelliion analog of a differential equation. Unfortunately, these inverse operations have a profound effect upon the nature of the solutions found. This frequently neglected point is the main topic of this chapter.
吞下
发表于 2025-3-29 18:43:09
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anthropologist
发表于 2025-3-29 22:45:48
Book 1983matics which can be covered in undergraduate programs. The goal is to provide illustrations of how modem mathematics is actually employed to solve relevant contemporary problems. Although these independent chapters were prepared primarily for teachers in the general mathematical sciences, they shoul
柳树；枯黄
发表于 2025-3-30 02:55:28
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Indurate
发表于 2025-3-30 05:05:28
Difference and Differential Equation Population Growth Modelsatives are ordinarily replaced by finite difference approximations such as.These two operations are really just inverses of one another. At times, the conversion of a difference equation into the analogous differential equation is convenient because the calculus can be employed, so the finite interv