A triangular matrix is nonsingular if and only if its diagonal entries are all nonzero.

130 Situations calling for a matrix organization include outside pressure for dual focus, _____ and pressure for high information processing capability.

A. Pressure for clear accountability

B. Pressure for reduced duplication of effort

C. Pressure for shared resources

D. Pressure for formalized communication

A、DiagonalMatrix[1,4,9,16]

B、DiagonalMatrix[{1,4,9,16}]

C、DiagonalMatrix[i^2,{i,1,4}]

D、DiagonalMatrix[Table[i^2,{i,1,4}]]

Situations calling for a matrix organization include outside pressure for dual focus, _____ and pressure for high information processing capability.

A . Pressure for clear accountability

B . Pressure for reduced duplication of effort

C . Pressure for shared resources

D . Pressure for formalized communication

mitochondria matrix线粒体基质

下面有哪些函数表示物体的基本变换是(??)

A、D3DXMatrixTranslation

B、D3DXMatrixScaling

C、D3DXMatrixRotationAxis

D、D3DXMatrixMultiply

According to Figure 3, clasts and matrix particles having diameters greater than or equal to 0.5 mm made up approximately what percent of the total mass of the combined samples?

A.13%

B.33%

C.63%

D.83%

AnIBMBusinessPartnersuggestsanIBMSystemStorageDS8000toacustomerwithaSANthatisnowconfiguredwithanEMCSymmetrixsubsystemdisk.ThecustomerwantstodetermineifnewHBAsandsoftwareupgradesareneededontheserversiftheEMCstorageisreplacedbytheDS8000Whatdocumentmustbecarefullyreadtohelpaddressthecustomer’sconcerns（）

A.IBMSystemStorageDS8000：HostSystemsAttachmentGuide

B.DS8000InteroperabilityMatrix

C.IBMSystemStorageDS8000：IntroductionandPlanningGuide

D.IBMSystemStorageSolutionHandbook

给定程序MODllC中函数fun的功能是：输出M行M列整数方阵，然后求两条对角线上各元素之和，返回此和数。

inClude＜coMo.h＞

inClude＜stdio.h＞

dehne M 5

/************fOUnd************/

int fun(int n，int xx[][])

{int i,j，sum=0；

printf("\n The%dx%d matrix：＼n"M，M)；

for(i=0；i＜M；i++)

{ for(j=0;j＜M;j++)

/************found************/

printf("%f"，xx[i][j])；

printf("\n")；

}

for(i=0；i＜n；i++)

sum+=xx[i][i]+XX[i][[n-i-1]；

return(sum)；

}

main( )

{int aa[M][M]={{1,2,3,4,5)，{4,3,2,1,0)，

{6,7,8,9,0}，{9,8,7,6,5},{3,4,5,6,7}}；

clrscr( )；

printf("\n The sum Of all elements On 2 diagnals is %d."fun(M,aa))；

}