MATLAB第二章实验报告Word文档格式.docx
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MATLAB第二章实验报告Word文档格式.docx
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0.23110.89130.01850.6154
0.60680.76210.82140.7919
D=randn(2,3)
D=-0.43260.1253-1.1465
-1.66560.28771.1909
eye(3)
ans=100
010
001
M=magic(4)
M=162313
511108
97612
414151
T=toeplitz(1:
5,1:
6)
T=123456
212345
321234
432123
543212
H=hilb(5)
H=1.00000.50000.33330.25000.2000
0.50000.33330.25000.20000.1667
0.33330.25000.20000.16670.1429
0.25000.20000.16670.14290.1250
0.20000.16670.14290.12500.1111
a=3:
18
a=3456789101112131415161718
b=1:
0.2:
6
b=Columns1through9
1.00001.20001.40001.6001.80002.00002.20002.40002.6000
Columns10through18
2.80003.00003.20003.40003.60003.80004.00004.20004.4000
Columns19through26
4.60004.80005.00005.20005.40005.60005.80006.0000
linspace(1,15,10)
ans=Columns1through9
1.00002.55564.11115.66677.22228.777810.333311.888913.4444
Column10
15.0000
y=[0.90.30.40.10.50.60.2];
[sorted,index]=sort(y)
sorted=0.10000.20000.30000.40000.50000.60000.9000
index=4723561
A=rand(4,5)
A=0.92180.93550.05790.13890.2722
0.73820.91690.35290.20280.1988
0.17630.41030.81320.19870.0153
0.40570.89360.00990.60380.7468
[a,b]=min(A)
a=0.17630.41030.00990.13890.0153
b=33413
min(A(:
))
ans=0.0099
V=[1234]
V=1234
norm(V,2)
ans=5.4772
norm(V,1)
ans=10
norm(V,inf)
ans=4
V=[256849]
V=256849
min(V)
ans=2
V=[496;
789;
456]
V=496
ans=456
max(V)
ans=799
mean(V)
ans=5.00007.33337.0000
median(V)
ans=486
std(V)
ans=1.73212.08171.7321
diff(V)
ans=3-13
-3-3-3
sort(V)
ans=456
486
799
length(V)
ans=3
norm(V)
ans=19.9125
sum(V)
ans=152221
prod(V)
ans=112360324
cumsum(V)
ans=496
111715
152221
cumprod(V)
287254
112360324
V=[128]
V=128
U=[3;
4;
7]
U=3
4
7
dot(V,U)
ans=67
cross(V,U)
ans=-1817-2
A=[564;
A=564
B=[627;
758;
468]
B=627
758
468
C=A-B
C=-14-3
031
0-1-2
C=A*B
C=8864115
134108185
8369116
C1=A\B
C1=0.6667-6.4444-7.6667
0.66674.88897.3333
-0.33331.22220.3333
C2=B/A
C2=-3.00008.3333-9.3333
-1.66675.5556-5.8889
0.0000-1.33333.3333
D=A^2
D=303642
668196
102126150
E=A^0.1
E=0.8466+0.2270i0.3599+0.0579i-0.0967-0.1015i
0.4015+0.0216i0.4525+0.0133i0.4432-0.0146i
-0.0134-0.1740i0.4848-0.0509i1.0132+0.0820i
A=[1+2*i3;
42+i]
A=1.0000+2.0000i3.0000
4.00002.0000+1.0000i
A'
ans=1.0000-2.0000i4.0000
3.00002.0000-1.0000i
B=[346;
798;
5201]
B=346
798
521
C=A.*B
C=3818
284548
35169
D=A./B
D=0.33330.50000.5000
0.57140.55560.7500
1.40004.00009.0000
E=A.\B
E=3.00002.00002.0000
1.75001.80001.3333
0.71430.25000.1111
A=1.0000+2.0000i3.0000
A.^2
ans=-3.0000+4.0000i9.0000
16.00003.0000+4.0000i
A.'
ans=1.0000+2.0000i4.0000
3.00002.0000+1.0000i
x=0.1:
0.1:
0.8
x=0.10000.20000.30000.40000.50000.60000.70000.8000
y=sin(2*x).*cos(2*x)
y=0.19470.35870.46600.49980.45460.33770.1675-0.0292
y=sin(x)
y=0.09980.19870.29550.38940.47940.56460.64420.7174
y=0.99500.98010.95530.92110.87760.82530.76480.6967
y=tan(x)
y=0.10030.20270.30930.42280.54630.68410.84231.0296
y=cot(x)
y=9.96664.93323.23272.36521.83051.46171.18720.9712
y=sec(x)
y=1.00501.02031.04681.08571.13951.21161.30751.4353
y=csc(x)
y=10.01675.03353.38392.56792.08581.77101.55231.3940
y=asin(x)
y=0.10020.20140.30470.41150.52360.64350.77540.9273
y=acos(x)
y=1.47061.36941.26611.15931.04720.92730.79540.6435
y=atan(x)
y=0.09970.19740.29150.38050.46360.54040.61070.6747
y=acot(x)
y=1.47111.37341.27931.19031.10711.03040.96010.8961
y=asec(x)
y=Columns1through6
0+2.9932i0+2.2924i0+1.8738i0+1.5668i0+1.3170i0+1.0986i
Columns7through8
0+0.8956i0+0.6931i
y=sinh(x)
y=0.10020.20130.30450.41080.52110.63670.75860.8881
y=cosh(x)
y=1.00501.02011.04531.08111.12761.18551.25521.3374
y=tanh(x)
y=0.09970.19740.29130.37990.46210.53700.60440.6640
y=coth(x)
y=10.03335.06653.43272.63192.16401.86201.65461.5059
y=sech(x)
y=0.99500.98030.95660.92500.88680.84360.79670.7477
y=csch(x)
y=9.98344.96683.28392.43461.91901.57071.31821.1260
y=asinh(x)
y=0.09980.19870.29570.39000.48120.56880.65270.7327
y=acosh(x)
0+1.4706i0+1.3694i0+1.2661i0+1.1593i0+1.0472i0+0.9273i
0+0.7954i0+0.6435i
y=atanh(x)
y=0.10030.20270.30950.42360.54930.69310.86731.0986
y=acoth(x)
y=Columns1through6
0.1003+1.5708i0.2027+1.5708i0.3095+1.5708i0.4236+1.5708i0.5493+1.5708i0.6931+1.5708i
0.8673+1.5708i1.0986+1.5708i
y=asech(x)
y=2.99322.29241.87381.56681.31701.09860.89560.6931
y=acsch(x)
y=2.99822.31241.91891.64721.44361.28381.15451.0476
y=log(x)
y=-2.3026-1.6094-1.2040-0.9163-0.6931-0.5108-0.3567-0.2231
y=log10(x)
y=-1.0000-0.6990-0.5229-0.3979-0.3010-0.2218-0.1549-0.0969
y=log2(x)
y=-3.3219-2.3219-1.7370-1.3219-1.0000-0.7370-0.5146-0.3219
c=complex(a,b)
c=0.1763+3.0000i0.4103+3.0000i0.0099+4.0000i0.1389+1.0000i0.0153+3.0000i
zc=conj(x)
zc=0.10000.20000.30000.40000.50000.60000.70000.8000
b=imag(x)
b=00000000
a=real(x)
a=0.10000.20000.30000.40000.50000.60000.70000.8000
y=fix(x)
y=00000000
y=floor(x)
y=00000000
y=ceil(x)
y=11111111
y=round(x)
y=00001111
y=sign(x)
S=rats(x)
S=1/101/53/102/51/23/57/104/5
[N,D]=rat(x)
N=11321374
D=10510525105
A=[246;
357;
8109]
A=246
357
8109
B=[415;
750;
936]
B=415
750
936
A>
B
ans=011
011
A<
100
=B
110
A==B
A~=B
ans=111
101
111
A&
ans=111
A|B
~A
~B
pi/100:
3*pi;
y=sin(x);
plot(x,y);
y1=(x<
pi|x>
2*pi).*y;
figure,plot(x,y1);
r=(x>
pi/3&
x<
2*pi/3)|(x>
7*pi/3&
8*pi/3);
rn=~r;
y2=r*sin(pi/3)+rn.*y1;
figure,plot(x,y2)
x=[045986748574858458]
x=045986748574858458
all(x)
ans=0
any(x)
ans=1
find(x)
ans=23456789101112131415
isempty(x)
ans=
0
isglobal(x)
Warning:
isglobalisobsoleteandwillbediscontinued.Type"
helpisglobal"
formoredetails.
isinf(x)
ans=000000000000000
isnan(x)
isfinite(x)
ans=111111111111111
issparse(x)
ans=0
isstr(x)
not(x)
ans=100000000000000
y=[594678239812357956689005]
y=594678239812357956689005
y=[594678239812357956689005]
y=594678239812357956689005
x=045986748574858458
A=[4-402;
235017;
182914]
A=4-402
235017
182914
[r,c]=find(A>
=20&
A<
=30)
r=2
3
c=1
2
bitand(12,6)
bitshift(12,1)
ans=24
bitxor(12,1)
ans=13
bitset(12,1)
ans=13
bitget(12,1)
A=[8759568566211235626469889981]
A=8759568566211235626469889981
A
(2)
ans=59
A([1,2,8])
ans=875935
A([9,6,2])
ans=622159
A([end-4:
end])
ans=6469889981
A([1:
5,5:
-1:
1])
ans=87595685666685565987
A(3)=-1
A=8759-18566211235626469889981
A(15)=-8
A=8759-18566211235626469889981-8
A(20)=-1
A=Columns1through16
8759-18566211235626469889981-80
Columns17through20
000-1
A=rand(8)
A=0.95010.82140.93550.13890.44510.83810.30460.3784
0.23110.44470.91690.20280.93180.01960.18970.8600
0.60680.61540.41030.19870.46600.68130.19340.8537
0.48600.79190.89360.60380.41860.37950.68220.5936
0.89130.92180.05790.27220.84620.83180.30280.4966
0.76210.73820.35290.19880.52520.50280.54170.8998
0.45650.17630.81320.01530.20260.70950.15090.8216
0.01850.40570.00990.74680.67210.42890.69790.6449
A(3,3)
ans=0.41
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