举一反三
- 对线性平流方程,其空间差分近似表示为: 时间差分格式写成蛙跳格式,则上式表示为( ):https://p.ananas.chaoxing.com/star3/origin/12b1578ec8561b72c04c55bc6bd6e2db.pnghttps://p.ananas.chaoxing.com/star3/origin/6ed74960aaf476a2167f2be86cb9b2d2.png
- 对线性平流方程[img=105x44]18039118d82d050.png[/img],c为平流速度,采用Lax-Wendroff差分方案得到如下的差分方程:该差分格式的增幅因子和Lax-Wendroff格式稳定条件分别是( ) A: [img=308x31]18039118e32cada.png[/img] B: [img=307x32]18039118edaf974.png[/img] C: [img=303x35]18039118f7418d7.png[/img] D: [img=298x32]180391190252613.png[/img]
- 一维线性平流方程,采用如下差分格式:(单选)差分格式的稳定性为()。 A: 中性稳定 B: 条件性稳定 C: 绝对稳定 D: 绝对不稳定
- 对线性平流方程[img=105x44]1803911907d2f89.png[/img],c为平流速度,采用Lax-Wendroff差分方案得到如下的差分方程:[img=509x90]1803911912379ee.png[/img][img=482x77]180391191d30fb2.png[/img] A: [img=78x29]1803911925c39fb.png[/img] B: [img=92x29]180391192e1debc.png[/img] C: [img=44x22]1803911935a7221.png[/img] D: [img=92x29]180391193dde118.png[/img]
- 使,,,的值为https://p.ananas.chaoxing.com/star3/origin/7a71315286a845cd71d58a43d172d70e.pnghttps://p.ananas.chaoxing.com/star3/origin/82992dfd55feeb0dbc3accfc460e8e6f.pnghttps://p.ananas.chaoxing.com/star3/origin/d072c844f7cfa56460a42ea3424f0622.pnghttps://p.ananas.chaoxing.com/star3/origin/d03cce0f654cef79e0f8e9e14f223092.png
内容
- 0
一维线性平流方程,采用如下差分格式:(单选)上述差分格式属于()格式 A: 显式 B: 隐式
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,当在连续时,___https://p.ananas.chaoxing.com/star3/origin/2d7d11725699807cb0b07057a0e6aa1b.pnghttps://p.ananas.chaoxing.com/star3/origin/8afd799308433cf0c1bf99426a50b068.pnghttps://p.ananas.chaoxing.com/star3/origin/6fc93eeaca0b4e2eeb3232571be04039.pnghttps://p.ananas.chaoxing.com/star3/origin/9ac20ba1a54c062278a4c0602f36ab4c.png
- 2
以下说法正确的是 https://p.ananas.chaoxing.com/star3/origin/32620d45b840963fcfd2a9e499329436.png https://p.ananas.chaoxing.com/star3/origin/be2489a6491756903a1a67528363e754.png https://p.ananas.chaoxing.com/star3/origin/c5d98544629d58d5c134ed8bc9743922.png https://p.ananas.chaoxing.com/star3/origin/eef7c4f0c58f9f292270fbd5e9600bd3.png
- 3
https://p.ananas.chaoxing.com/star3/origin/b31898e8d988e836116efe3cba9a910f.pnghttps://p.ananas.chaoxing.com/star3/origin/fb8dc50d75c1b761d9389a77bc20b4fd.pnghttps://p.ananas.chaoxing.com/star3/origin/7e75cd17522334f54b2eaedb009dba9a.png
- 4
设是圆,则https://p.ananas.chaoxing.com/star3/origin/d8b5edc9a2457c461a3685877f8606ab.pnghttps://p.ananas.chaoxing.com/star3/origin/5f3c1256fa1597901980dc868dfb57f7.pnghttps://p.ananas.chaoxing.com/star3/origin/1932e2a8e9452d4d6f94177a0ca40384.pnghttps://p.ananas.chaoxing.com/star3/origin/5785decddcc5b175015fc7c46d4d8405.png