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diarydianke048.txtdisp()2.1DecidewhichofthefollowingnumbersarenotacceptableinMATLAB,andstatewhynot:(a)9,87(b).0(c)25.82(d)-356231(e)3.57*e2(f)3.57e2.1(g)3.57e+2(h)3,57e-29,87ans=9ans=879,87表示两个数9和87.0ans=0.0表示自然数025.82ans=25.820025.82表示一个数-356231ans=-356231-356231表示一个负数3.57*e2???Undefinedfunctionorvariable'e2'.3.57e2.1???3.57e2.1|Error:UnexpectedMATLABexpression.3.57e+2ans=3573,57e-2ans=3ans=0.57002.2.State,givingreasons,whichofthefollowingarenotvalidMATLABvariablenames:(a)a2(b)a.2(c)2a(d)’a’one(e)aone(f)_x_1(g)miXedUp(h)payday(i)inf(j)Pay_Day(k)min*2(l)whata2???Undefinedfunctionorvariable'a2'.a.2???a.2Error:UnexpectedMATLABexpression.2a???2a|Error:UnexpectedMATLABexpression.'a'one???'a'oneError:UnexpectedMATLABexpression.aone???Undefinedfunctionorvariable'aone'._x_1???_x_1Error:TheinputcharacterisnotvalidinMATLABstatementsorexpressions.miXedUp???Undefinedfunctionorvariable'miXedUp'.payday???Undefinedfunctionormethod'pay'forinputargumentsoftype'char'.infans=InfPay_Day???Undefinedfunctionorvariable'Pay_Day'.min*2(1)what???min*2(1)whatwhatM-filesinthecurrentdirectoryD:\MyDocuments\MATLABUntitledhan2han4mp1hanhan3han5mp2Error:Unbalancedorunexpectedparenthesisorbracket.2.3UsingthelastninedigitsofyourstudentIDtoforma3-by-3matrix,calculatethesumsofeachrow,column,diagonalandantidiagonal.Thensumallthedigits.A=[125;044;048]A=125044048sum(A)ans=11017sum(A')'ans=8812diag(A)A=148sum(diag(fliplr(A)))ans=9•2.4UsingyourstudentIDtoformabarcodeanddisplayit.•Z=[20125044048];•Q=[Z;Z;Z;Z;Z;Z;Z;Z;Z;Z;Z];•imagesc(Z)•axisoff•colormap(gray)•2.5Readfourpicturesofyourselfandconcatenatetheminoneframe.Displaytheresult.LED1=imread('F:\Download\4.jpg');LED2=imread('F:\Download\10.jpg');LED3=imread('F:\Download\11.jpg');LED4=imread('F:\Download\12.jpg');LED=[LED1,LED2;LED3,LED4];imagesc(LED)axisoff2.6Writeaprogramtocalculatex,whereanda=2,b=−10,c=12.a=2;b=-10;c=12;x=(-b+sqrt(b*b-4*a*c))/(2*a)x=32.7Generateatableofconversionsfromdegrees(firstcolumn)toradians(secondcolumn).Degreesshouldgofrom0◦to360◦instepsof10◦.Recallthatπradians=180◦.A=0:10:360;B=deg2rad(A);A';B';C=[A',B']C=0010.00000.174520.00000.349130.00000.523640.00000.698150.00000.872760.00001.047270.00001.221780.00001.396390.00001.5708100.00001.7453110.00001.9199120.00002.0944130.00002.2689140.00002.4435150.00002.6180160.00002.7925170.00002.9671180.00003.1416190.00003.3161200.00003.4907210.00003.6652220.00003.8397230.00004.0143240.00004.1888250.00004.3633260.00004.5379270.00004.7124280.00004.8869290.00005.0615300.00005.2360310.00005.4105320.00005.5851330.00005.7596340.00005.9341350.00006.1087360.00006.28322.8Writeasinglestatementtofindanddisplaythesumofthesuccessiveevenintegers2,4,...,200.a=2:2:200;sum(a)ans=101002.9Thesteady-statecurrentIflowinginacircuitthatcontainsaresistanceR=5,capacitanceC=10,andinductanceL=4inseriesisgivenbywhereE=2andω=2aretheinputvoltageandangularfrequencyrespectively.ComputethevalueofI.R=5;C=10;E=2;W=2;L=4;I=E/sqrt(R*R+(2*pi*W*L-1/2*pi*W*C)*(2*pi*W*L-1/2*pi*W*C))I=0.1026
本文标题:matlab作业
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