线性代数上机实验报告

《线性代数上机实验报告》由会员上传分享，免费在线阅读，更多相关内容在工程资料-天天文库。

1、210vvOround(9*rand(5、5))vvburound(9*rand(5、l))bn32264(I)LvvAHround(9*rand(5・5))vvBH「ound(9*rand(5、5))76744706344237660976»A+Bans=147851015315745712151414913141481071113»A-Bans=0・5・6■321331-4-3361229■5024877»2.»A*B+B*Aans=2381822352082402401662382442602811742552933223362323423333

2、90279142266258268»3.»x=Ab0.11420.86560.23256.90060.3339vvcuzeros(5、l)jvvcCn00000vvforiulth>on>AOrTbjc(ilrdet(AO)、det(A)；end>0H69796A0=7111683940159888947869796A0=7111683940159888947869796»cc=0.11420.86560.2325-0.90060.3339»因为c=x,所以克莱姆法则得证。4.»det(A)ans=■4448»AA-1ans=0.16280.0063

3、-0.1124-0.16550.2077-0.43570.14610.10480.7302-0.6776-0.21990.18210.17670.3561-0.49060.4960-0.2819-0.2513-1.01801.19650.0034-0.01510.12610.1817-0.2471»r=rank(A);»rr=5»det(B)ans=4568»BA-1ans=-0.03280.32090.1401-0.2351-0.08320.1655-0.1375-0.0061-0.03500.01930.0661-0.1528-0.21540.23

4、340.0342-0.0591-0.02230.2522-0.0232-0.14970.0026-0.0657-0.11120.07880.2067»rank(B)ans=55.»A*Bans=785067578613766137132122142321361541821936418515219019956198175198»det(A*B)ans=-2.0318e+07»(A*B)A-1ans=-0.29290.13970.11070.5139-0.55380.0709-0.0106-0.0229-0.09080.08390.2406-0.1274-

5、0.1159-0.43060.4937-0.06740.05110.03580.0797-0.11160.0933-0.0552-0.0206-0.13070.1428»r二rank(A*B)r=5»det(A*B)ans=-2.0318e+07»det(A)*det(B)ans=-20318464所以相等。6.»(A*B)'ans=7813714250663219319964566.067400933vvB2AM1ansH6.2929007090.24060067400933ansH7850137661423219364199560.05110055

6、20.1397001060.12740.0511005520.03589079760206613070.1107002290.11590.0358002066757137132136154185152198175861221821901986.11160・14280.5139009080.43060.0797613076・5538008390.49370.11160・1428671371365713215486122182ansH78137142506632671371365713215486122182vv(A*B>—1ansH18519815217

7、519019819319964561851981521751901986・2929913970・11070.51396.553800709-001060022960908008399240661274o・11590.43060.4937vvAuround(9*rand(3、3))vvB=round(9-rand(3、3))B=551175084vvc“round(9*rand(3、3))CHvvB关Aansvvg31391g1g00616001o2600119g11600003目91127O2OO130016.00650.32470.23720.480

8、7008546.43150.92500.7923,1.5785919636.10330.566