Matlab编程与工程应用第二版习题解答全Word格式.docx

Matlab编程与工程应用第二版习题解答全Word格式.docx

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9.2308

9.

ftemp=90;

ctemp=<

ftemp-32>

*5/9

ctemp=

32.2222

10.略

11．

sind<

90>

1

12.

sita=2*pi/3;

r=2;

x=r*cos<

sita>

x=

-1.0000

y=r*sin<

y=

1.7321

13．

t=100;

V=50;

wcf=35.7+0.6*t-35.7+0.16*V+0.43*t*0.16*V

wcf=

412

14.

Fix<

3.5>

=3;

Floor<

3.4>

Fix<

-3.4>

=-3;

3.2>

-3.2>

=-4;

Ceil<

15.

Sqrt<

19>

3^1.2

Tan<

pi>

16.

Intmin<

‘int32’>

;

intmax<

intmin<

‘int64’>

intmax<

17.

Realmin<

‘double’>

Realmax<

18.

DblNum=33.8;

int32Num=int32<

DblNum>

int32Num=

34

19.

A1=rand;

A2=20*rand;

A3=30*rand+20;

A4=round<

rand*10>

A5=round<

rand*11>

/

A6=round<

rand*50>

+50;

A4=randi<

10>

A5=randi<

11>

A6=randi<

50>

20.略

21.

Double〔‘A’<

Double<

‘a’>

所以大写在前,小写在后；

22.

CharNum='

xyz'

CharNum=char<

CharNum-2>

CharNum=

vwx

23.

vec=[3:

1:

6]

vec=

3456

vec2=[1.0000:

0.5000:

3.0000]

vec2=

1.00001.50002.00002.50003.0000

vec3=[5:

-1:

2]

vec3=

5432

24.

vec1=linspace<

4,8,3>

vec1=

468

vec2=linspace<

-3,-15,5>

-3-6-9-12-15

vec3=linspace<

9,5,3>

975

25．

vec=[1:

10]

12345678910

vec=linspace<

1,10,10>

vec2=[2:

5:

12]

2712

2,12,3>

26.

myend=randi<

4>

+8;

vec1=[1:

3:

myend]

14710

27.

vec=[-1:

0.2:

1]'

-0.8000

-0.6000

-0.4000

-0.2000

0

0.2000

0.4000

0.6000

0.8000

1.0000

28.

vec=[0:

15];

n=[1:

2:

numel<

vec>

-1];

vec2=vec<

n>

02468101214

29.

function[ab]=PI_CONT<

x>

%UNTITLEDSummaryofthisfunctiongoeshere

%Detailedexplanationgoeshere

n=1:

fix<

numel<

/2>

a=x<

n=1+fix<

/2>

:

b=x<

end

rem<

2>

30．

rand<

2,3>

10*rand<

5+round<

15*rand<

randint<

2,3,[515]>

31.

rows=randi<

5>

cols=randi<

y=zeros<

rows,cols>

32.

mat=[78910

121086];

A1=mat<

1,3>

A2=mat<

2,:

A3=mat<

:

1:

2>

33.

mymat=[234;

567]

mymat1=fliplr<

mymat>

mymat2=flipud<

mymat3=rot90<

34.

mymatzero=zeros<

4,2>

mymatzero<

=[3,6]

35.

x=linspace<

-pi,pi,20>

y=sin<

36.

randmat=randint<

3,5,[-55]>

sign<

randmat>

37.

4,6,[-55]>

randmat2=abs<

38.

randmat=rand<

3,5>

randmat<

3,:

=[]

39.

vec=1:

1:

1000;

vec<

end>

[ab]=size<

a*b>

40.

同上

41.

mat=zeros<

mat<

:

1>

=zeros<

42.

myc=clock

today=myc<

1:

3>

now=myc<

4:

6>

now=fix<

now>

第二章MATLAB程序设计概述

ri=2;

%Radiusinternal

ro=4;

%Radiusouter

V=4*pi/3*<

ro^3-ri^3>

%calculatevolume

%CalculateAtomicWeightH2O2

Weight_O=15.9994;

Weight_H=1.0079;

AtomicWeight=Weight_O*2+Weight_H*2%CalculateH2O2AtomicWeight

fprintf<

'

LengthofThecharacterstringis:

%d\n'

…

length<

input<

Pleaseinputcharacterstring:

\n'

'

s'

4.

NewNumber=input<

pleaseinputaNumber:

Numberwith2decimalis:

%0.2f\n'

NewNumber>

vec=input<

Enteramatrix:

'

[1:

10;

10]

6.

fprintf<

OUTPUT:

%f\n'

12345.6789>

12345.678900

%10.4f\n'

12345.6789

%10.2f\n'

12345.68

%6.4f\n'

%2.4f\n'

7.

12345>

12345

%5d\n'

%8d\n'

%3d\n'

x=12.34;

y=4.56;

xis%.3f\n'

x>

xis12.340

xis%0.0f\n'

xis12

yis%0.1f\n'

y>

yis4.6

yis%0.1f!

yis4.6!

%CalculateAreaofthesquareness

TheAreaofTheSquarenessis%.2f'

<

PleaseinputtheLengthoftheSquareness\n'

…

*<

PleaseinputtheWidth