Python的id函数的Matlab等价

最接近蟒蛇的 id format debug

pr 字段是指向数据真实部分的指针,并且 pi 是虚幻的部分(贷记 @rayryeng this information )从Matlab R2018a开始 指针不再存在,因为 interleaved complex 储存。

copy-on-write 机制。注意语句 y = x x (具有相同的 y 有),但修改 稍后会触发副本( 公共关系 更改)。

>> format debug
>> x = 1:5;
>> y = x;
>> x, y
x =
Structure address = 37751590
m = 1
n = 5
pr = ff4bbe80
pi = 0
     1     2     3     4     5
y =
Structure address = 37751590
m = 1
n = 5
pr = ff4bbe80
pi = 0
     1     2     3     4     5

>> y(5) = 10;
>> x, y
x =    
Structure address = 37751590
m = 1
n = 5
pr = ff4bbe80
pi = 0
     1     2     3     4     5
y =    
Structure address = 37751de0
m = 1
n = 5
pr = 85c71e0
pi = 0
     1     2     3     4    10