r = randi([iMin,iMax],m,n)å¨
å¼åºé´ï¼iMinï¼iMaxï¼çæmXnåéæºç©éµ
matlabä¸çæéæºæ°ä¸»è¦æä¸ä¸ªå½æ°ï¼rand, randn,randi
1ï¼rand çæ
åååå¸ç伪éæºæ°ãåå¸å¨ï¼0~1ï¼ä¹é´
主è¦è¯æ³ï¼rand(m,n)çæmè¡nåçåååå¸ç伪éæºæ°
rand(m,n,'double')çææå®ç²¾åº¦çåååå¸ç伪éæºæ°ï¼åæ°è¿å¯ä»¥æ¯'single'
rand(RandStream,m,n)å©ç¨æå®çRandStream(æç解为éæºç§å)çæ伪éæºæ°
2ï¼randn çæ
æ åæ£æåå¸ç伪éæºæ°ï¼åå¼ä¸º0ï¼æ¹å·®ä¸º1ï¼
主è¦è¯æ³ï¼åä¸é¢ä¸æ ·
3, randi çæåååå¸ç伪éæºæ´æ°
主è¦è¯æ³ï¼randiï¼iMaxï¼å¨å¼åºé´ï¼0ï¼iMaxï¼çæåååå¸ç伪éæºæ´æ°
randiï¼iMaxï¼mï¼nï¼å¨å¼åºé´ï¼0ï¼iMaxï¼çæmXnåéæºç©éµ
r = randi([iMin,iMax],m,n)å¨å¼åºé´ï¼iMinï¼iMaxï¼çæmXnåéæºç©éµ