A1 Matlab

A1 Matlab A1 Matlab

ccd.uns.ac.rs
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24.02.2013 Views

Tipovi podataka - primeri Tip Primer int8, uint8, int16, uint16(65000) uint16, int32, uint32, int64, uint64 single single(3 * 10^38) double 3 * 10^300 5 + 6i logical magic(4) > 10 char 'Hello' cell array a{1,1} = 12; a{1,2} = 'Red'; a{1,3} = magic(4); structure a.day = 12; a.color = 'Red'; a.mat = magic(3); function handle @sin user class polynom([0 -2 -5]) Java class java.awt.Frame

Numeriĉki tipovi Tip Opseg M-funkcija Celobrojan Označen 8-bit integer -2 7 to 2 7 -1 int8 Označen 16-bit integer -2 15 to 2 15 -1 int16 Označen 32-bit integer -2 31 to 2 31 -1 int32 Označen 64-bit integer -2 63 to 2 63 -1 int64 Neoznačen 8-bit integer 0 to 2 8 -1 uint8 Neoznačen 16-bit integer 0 to 2 16 -1 uint16 Neoznačen 32-bit integer 0 to 2 32 -1 uint32 Neoznačen 64-bit integer 0 to 2 64 -1 uint64 U pokretnom zarezu Jedostruke preciznosti 32-bit Dvostruke preciznosti 64-bit -3.4 e 38 to 3.4e 38 IEEE Standard 754 single double » x = int16(325); » x = 325.5; » int16(fix(x)) ans = 325 » int16(325) * 4.39 ans = 1427 » uint8('Danas je ...') ans = 68 97 110 97 115 32 … 106 101 32 46 46 46

Numeriĉki tipovi<br />

Tip Opseg M-funkcija<br />

Celobrojan<br />

Označen 8-bit integer -2 7 to 2 7 -1 int8<br />

Označen 16-bit integer -2 15 to 2 15 -1 int16<br />

Označen 32-bit integer -2 31 to 2 31 -1 int32<br />

Označen 64-bit integer -2 63 to 2 63 -1 int64<br />

Neoznačen 8-bit integer 0 to 2 8 -1 uint8<br />

Neoznačen 16-bit integer 0 to 2 16 -1 uint16<br />

Neoznačen 32-bit integer 0 to 2 32 -1 uint32<br />

Neoznačen 64-bit integer 0 to 2 64 -1 uint64<br />

U pokretnom zarezu<br />

Jedostruke preciznosti<br />

32-bit<br />

Dvostruke preciznosti<br />

64-bit<br />

-3.4 e 38 to<br />

3.4e 38<br />

IEEE<br />

Standard 754<br />

single<br />

double<br />

» x = int16(325);<br />

» x = 325.5;<br />

» int16(fix(x))<br />

ans =<br />

325<br />

» int16(325) * 4.39<br />

ans =<br />

1427<br />

» uint8('Danas je ...')<br />

ans =<br />

68 97 110 97 115 32 …<br />

106 101 32 46 46 46

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