对于线性方程组<img src='https://img2.soutiyun.com/shangxueba/ask/1887001-1890000/1889052/ct_jgzjgysm_jgzjgyschoose_00361(20093)1.jpg' />，下列结论正确的是()。

如果是齐次方程的n个线性无关解，则是非齐次高阶线性微分方程的通解。（）<img src="http://p.ananas.chaoxing.com/star3/origin/f3736d9aea8415c51a563ceb7460182b.png"/> <img src="http://p.ananas.chaoxing.com/star3/origin/0b4c60e54353a9f847f4c188614ca17f.png"/>

如果是齐次高阶线性微分方程的解，则也是该方程的解。（）<img src="http://p.ananas.chaoxing.com/star3/origin/66b90741b2e6c09dbb1d7cd97a13f4af.jpg"/> <img src="http://p.ananas.chaoxing.com/star3/origin/4135fe5a9086ba53061c68aac1239538.jpg"/>

能量方程中<img src='https://img2.soutiyun.com/latex/latex.action' />表示( )。

齐次线性方程组<img src='https://img2.soutiyun.com/shangxueba/ask/1497001-1500000/1497017/ct_kgctem_kgctechoose_0050(106)1.jpg' />的系数矩阵为A，若有3阶非零矩阵B使AB=0，则()。

微分方程<img src='https://img2.soutiyun.com/ask/2020-02-15/950615032354502.png' />的通解为( )。

电极反应<img src='https://img2.soutiyun.com/latex/latex.action' />的能斯特方程式为()。

1．微分方程<img src='https://img2.soutiyun.com/ask/2020-03-09/952636097163919.png' />是( )．

下列一阶微分方程中，哪一个是一阶线性方程？<img src='https://img2.soutiyun.com/ask/uploadfile/2682001-2685000/cb0ccb9552efdb79335ff9442856fc3d.jpg' />

线性方程组<img src='https://img2.soutiyun.com/ask/uploadfile/9696001-9699000/d3ea821b202ff2bd88173a6dfb271bf1.png' />解的情况是()。

作变量代换x=Int简化方程<img src='https://img2.soutiyun.com/ask/2021-01-13/979381219766245.png' />

已知两个线性变换<img src='https://img2.soutiyun.com/ask/2020-07-24/964447450539867.png' />，求从<img src='https://img2.soutiyun.com/ask/2020-07-24/964447482729708.png' />到<img src='https://img2.soutiyun.com/ask/2020-07-24/964447490132131.png' />的线性变换。

试证明下列函数满足拉普拉斯方程：<img src='https://img2.soutiyun.com/ask/2019-06-18/929711665151155.png' />

<img src='https://img2.soutiyun.com/latex/latex.action' />的特征方程为( )

曲线<img src='https://img2.soutiyun.com/ask/2020-03-11/952816359188393.png' />的水平渐近线方程为( )。

解方程：<img src='https://img2.soutiyun.com/ask/2021-03-04/983702960447469.png' />

解方程<img src='https://img2.soutiyun.com/ask/2020-08-13/966159242822924.png' />

已知微分方程<img src='https://img2.soutiyun.com/shangxueba/ask/17664001-17667000/17666030/2015102914210098816.jpg' />的一个特解为<img src='https://img2.soutiyun.com/shangxueba/ask/17664001-17667000/17666030/2015102914210098816.jpg' />，则此微分方程的通解是（）．

在一元线性回归方程<img src='https://img2.soutiyun.com/ask/uploadfile/6246001-6249000/fd57120392dfb1b8c2eaafd9c9cee7c2.png' />中，( )表示当自变量每增减一个单位时，因变量的平均增减量。

设方程10-2x-cosx=0的迭代法为<img src='https://img2.soutiyun.com/shangxueba/ask/50862001-50865000/50862921/968086348700253.png' />,说明对于任意初值此迭代收敛，并估计要求具有10位有效数字时大约要迭代多少步。

设<img src='https://img2.soutiyun.com/shangxueba/ask/51291001-51294000/51293683/975264374908477.png' />是n维实向量,且<img src='https://img2.soutiyun.com/shangxueba/ask/51291001-51294000/51293683/975264387229182.png' />战性无关,<img src='https://img2.soutiyun.com/shangxueba/ask/51291001-51294000/51293683/975264401121976.png' /><img src='https://img2.soutiyun.com/shangxueba/ask/51291001-51294000/51293683/975264415373792.png' />是线性方程组

已知齐次线性方程<img src='https://img2.soutiyun.com/shangxueba/ask/19020001-19023000/19020937/2015110116061593238.png' />有非零解，则常数λ可取为（）

若向量β不能由<img src='https://img2.soutiyun.com/ask/2021-01-01/978361429025286.png' />线性表示，则向量组<img src='https://img2.soutiyun.com/ask/2021-01-01/978361441040973.png' />线性无关()此题为判断题(对，错)。

线性表用顺序存储，设计一个算法，用尽可能少的辅助存储空间将顺序表中前m个元素和后n个元素进行整体互换。即将线性表:<img src='https://img2.soutiyun.com/ask/2020-12-23/977571898416833.png' />改变为:<img src='https://img2.soutiyun.com/ask/2020-12-23/977571909533469.png' />

求解差分方程:<img src='https://img2.soutiyun.com/ask/2020-12-17/977053448502449.png' />