Introduccion matlab

LABORATORIO NUMERICO Nº 1
Grupo SABADOS 12-14PM Fecha: 18/09/2010
Nº MATRICULA APELLIDOS y NOMBRES
08190132 Perales Vallejos Marco André

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ACTIVIDAD 1: COMO INTRODUCIR NUMEROS

A) Acerca de distintos valores de precisión.
Números aproximados con laprecisión máxima de la máquina (16 dígitos)
clear
format long;
exp(1)
0.5*exp(1)
>> clear
format long;
exp(1)
0.5*exp(1)

ans =

2.718281828459046

ans =

1.359140914229523

>>

Numeros aproximados con 200 decimales de precisión:

digits(200);
vpa(exp(1))
vpa(0.5*exp(1))
>> digits(200);
vpa(exp(1))
vpa(0.5*exp(1))

ans =2.718281828459045534884808148490265011787414550781250000000000

000000000000000000000000000000000000000000000000000000000000

000000000000000000000000000000000000000000000000000000000000

0000000000000000000

ans =

1.359140914229522767442404074245132505893707275390625000000000

000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

0000000000000000000

>>

B) Tarea 1: Experimente con [pic] y con [pic] en vez de [pic].
digits(200);
vpa(pi)
vpa(0.5*pi)
>> digits(200);
vpa(pi)
vpa(0.5*pi)

ans =

3.141592653589793238462643383279502884197169399375105820974944

592307816406286208998628034825342117067982148086513282306647093844609550582231725359408128481117450284102701938521105559

6446229489549303820

ans =

1.570796326794896619231321691639751442098584699687552910487472

296153908203143104499314017412671058533991074043256641153323

546922304775291115862679704064240558725142051350969260552779

8223114744774651910

>> digits(200);
vpa(sqrt(2))
vpa(0.5*sqrt(2))
>> digits(200);
vpa(sqrt(2))
vpa(0.5*sqrt(2))

ans =1.414213562373095048801688724209698078569671875376948073176679

737990732478462107038850387534327641572735013846230912297024

924836055850737212644121497099935831413222665927505592755799

9505011527820605715

ans =

.707106781186547524400844362104849039284835937688474036588339

868995366239231053519425193767163820786367506923115456148512462418027925368606322060748549967915706611332963752796377899

97525057639103028575

>>

C) GENERAR
a) D=-4.56:0.34 b) C=-2.1:0.1:3:4
d) F=80:5 d) r=pi:-0.001:0

>> D=-4.56:0.34

D =

Columns 1 through 4

-4.560000000000000 -3.560000000000000 -2.560000000000000 -1.560000000000000

Column 5

-0.560000000000000

>>

>> C=-2.1:0.1:3.4

C =

Columns 1through 4

-2.100000000000000 -2.000000000000000 -1.900000000000000 -1.800000000000000

Columns 5 through 8

-1.700000000000000 -1.600000000000000 -1.500000000000000 -1.400000000000000

Columns 9 through 12

-1.300000000000000 -1.200000000000000 -1.100000000000000 -1.000000000000000

Columns 13 through 16

-0.900000000000000 -0.800000000000000 -0.700000000000000-0.600000000000000

Columns 17 through 20

-0.500000000000000 -0.400000000000000 -0.300000000000000 -0.200000000000000

Columns 21 through 24

-0.100000000000000 0 0.100000000000000 0.200000000000000

Columns 25 through 28

0.300000000000000 0.400000000000000 0.500000000000000 0.600000000000000

Columns 29 through 320.700000000000000 0.800000000000000 0.900000000000000 1.000000000000000

Columns 33 through 36

1.100000000000000 1.200000000000000 1.300000000000000 1.400000000000000

Columns 37 through 40

1.500000000000000 1.600000000000000 1.700000000000000 1.800000000000000

Columns 41 through 44

1.900000000000000 2.000000000000000 2.100000000000000 2.200000000000000...