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See the recommended documentation of this function
iconvert
1または8バイト整数表現に変換する
呼び出し手順
y = iconvert(X,itype)
パラメータ
- X
浮動小数点数または整数の行列. Complex numbers are not accepted.
- y
1,2,4または8バイト整数の行列.
説明
1, 2, 4, または 8バイト整数に変換し,保存します. Please refer to the int8() page for a detailled description.
itype | y typeof | range |
---|---|---|
0 | (reals) | |
1 | int8 | [-128, 127] |
2 | int16 | [-32768, 32767] |
4 | int32 | [-2147483648, 2147483647] |
8 | int64 | [-9223372036854775808, 9223372036854775807] |
11 | uint8 | [0, 255] |
12 | uint16 | [0, 65535] |
14 | uint32 | [0, 4294967295] |
18 | uint64 | [0, 18446744073709551615] |
Converting [] always keeps it as is, of type 1 == inttype 0
(decimal type). |
例
b=int32([1 -120 127 312]) y=iconvert(b,1)
iconvert([-3.6 -2.5 -1.2 1.2 2.5 3.6], 1) iconvert([-%inf %inf %nan], 1) iconvert([-%inf %inf %nan], 11) iconvert(-1, 11) iconvert(-1, 12) iconvert(-1, 14) iconvert(-1, 18)
--> iconvert([-3.6 -2.5 -1.2 1.2 2.5 3.6], 1) ans = -3 -2 -1 1 2 3 --> iconvert([-%inf %inf %nan], 1) ans = -128 127 0 --> iconvert([-%inf %inf %nan], 11) ans = 0 255 0 --> iconvert(-1, 11) ans = 255 --> iconvert(-1, 12) ans = 65535 --> iconvert(-1, 14) ans = 4294967295 --> iconvert(-1, 18) ans = 18446744073709551615
参照
履歴
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6.0 |
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