matlab data type

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本文概述了计算机科学中常见的数值类型及其位数与精度特性，包括整型（有符号与无符号）、浮点型及字符类型等，适用于不同编程场景的需求。

Value Type	Precision	Bits (Bytes)
Integers, unsigned	`uint`	`32 (4)`
	`uint8`	`8 (1)`
	`uint16`	`16 (2)`
	`uint32`	`32 (4)`
	`uint64`	`64 (8)`
	`uchar`	`8 (1)`
	`unsigned char`	`8 (1)`
	`ushort`	`16 (2)`
	`ulong`	system-dependent
	`ubitn`	`1` ≤ `n` ≤ `64`
Integers, signed	`int`	`32 (4)`
	`int8`	`8 (1)`
	`int16`	`16 (2)`
	`int32`	`32 (4)`
	`int64`	`64 (8)`
	`integer*1`	`8 (1)`
	`integer*2`	`16 (2)`
	`integer*3`	`32 (4)`
	`integer*4`	`64 (8)`
	`schar`	`8 (1)`
	`signed char`	`8 (1)`
	`short`	`16 (2)`
	`long`	system-dependent
	`bitn`	`1` ≤ `n` ≤ `64`
Floating-point numbers	`single`	`32 (4)`
	`double`	`64 (8)`
	`float`	`32 (4)`
	`float32`	`32 (4)`
	`float64`	`64 (8)`
	`real*4`	`32 (4)`
	`real*8`	`64 (8)`
Characters	`char*1`	`8 (1)`
Characters	`char`	Depends on the encoding scheme associated with the file. Set encoding with `fopen`.