在一维空间中,浅水方程中的变量以空间格式A交错排列,则频率和波数的关系为,此时群速度为0或零。( )https://p.ananas.chaoxing.com/star3/origin/777ef4a05ebeb745c6ade19d6764cba8.png
举一反三
- 在一维空间中,浅水方程中的变量以空间格式C交错排列,则频率和波数的关系为( ): A: [img=181x37]180391151efcdc7.png[/img] B: [img=285x43]180391152963f18.png[/img] C: [img=193x52]180391153456f3d.png[/img] D: [img=325x46]180391153ed4143.png[/img]
- 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
- 在 中, , ,则 等于https://p.ananas.chaoxing.com/star3/origin/98366284d8feecd580613938380206ea.pnghttps://p.ananas.chaoxing.com/star3/origin/526e25c58361a406de96a44862df7aba.pnghttps://p.ananas.chaoxing.com/star3/origin/04970d84ab61ade1077625be94ccdd96.pnghttps://p.ananas.chaoxing.com/star3/origin/7a34359614a39bd8fbffa909e85a630f.png
- 若,,则与的大小关系是https://p.ananas.chaoxing.com/star3/origin/6eb3cfa33e607a23bc3fd000237a470f.pnghttps://p.ananas.chaoxing.com/star3/origin/186ba208558c5dabaa941cdf27c35e9a.pnghttps://p.ananas.chaoxing.com/star3/origin/7c176f39779cc2d076bc789bb099f246.pnghttps://p.ananas.chaoxing.com/star3/origin/02b1d7bc53554a934ffc8eecd3d07da0.png
- 设方阵满足,则或。https://p.ananas.chaoxing.com/star3/origin/30cf26f3ed91b1f13b2d9ca4c0df7b0c.pnghttps://p.ananas.chaoxing.com/star3/origin/023cd430fe912df53922e1e5ec2b2bad.pnghttps://p.ananas.chaoxing.com/star3/origin/89f41b9fbae5688e4f7df68c8f97a907.pnghttps://p.ananas.chaoxing.com/star3/origin/02c3eb4968eb753b7c847c9a09b4ba63.png