matlab 申请内存及释放,怎么能释放已经使用的内存

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他说我内存不足啊

我在写作业啊 有大神帮忙吗？

一下是查找内存看到的= =我想把我已经用了的 重置为0可以吗？？？

怎么做啊

>> feature(*memstats*)

Physical Memory (RAM):

In Use: 1782 MB (6f646000)

Free: 434 MB (1b276000)

Total: 2216 MB (8a8bc000)

Page File (Swap space):

In Use: 3060 MB (bf410000)

Free: 2478 MB (9aef6000)

Total: 5539 MB (15a306000)

Virtual Memory (Address Space):

In Use: 1743 MB (6cf14000)

Free: 304 MB (130cc000)

Total: 2047 MB (7ffe0000)

Largest Contiguous Free Blocks:

1. [at 77171000] 35 MB ( 23ff000)

2. [at 7e3f7000] 18 MB ( 12f9000)

3. [at 70d94000] 16 MB ( 10fc000)

4. [at 5a8b0000] 16 MB ( 1000000)

5. [at b950000] 14 MB ( e00000)

6. [at 6af90000] 13 MB ( dc0000)

7. [at 6d418000] 12 MB ( c28000)

8. [at 668d8000] 9 MB ( 958000)

9. [at 6e377000] 7 MB ( 7d9000)

10. [at 7c79c000] 6 MB ( 6f4000)

======= ==========

152 MB (09801000)

ans =

37744640