大家好，又见面了，我是你们的朋友全栈君。
分享一下我老师大神的人工智能教程！零基础，通俗易懂！http://blog.csdn.net/jiangjunshow
也欢迎大家转载本篇文章。分享知识，造福人民，实现我们中华民族伟大复兴！
1、length函数：计算向量或矩阵的长度
2、用法说明
y = length(x) 函数计算指定向量或矩阵的长度y。如果参数变量x是向量，则返回其长度；如果参数变量是非空矩阵，则length(x)与max(size(x))等价
3、举例说明
>> x = 'youhaidong'x =youhaidong>> y = length(x)y = 10>> x = rand(6,6)x = 0.8147 0.2785 0.9572 0.7922 0.6787 0.7060 0.9058 0.5469 0.4854 0.9595 0.7577 0.0318 0.1270 0.9575 0.8003 0.6557 0.7431 0.2769 0.9134 0.9649 0.1419 0.0357 0.3922 0.0462 0.6324 0.1576 0.4218 0.8491 0.6555 0.0971 0.0975 0.9706 0.9157 0.9340 0.1712 0.8235>> y = length(x)y = 64、附录
>> help length length Length of vector. length(X) returns the length of vector X. It is equivalent to MAX(SIZE(X)) for non-empty arrays and 0 for empty ones. See also numel. Overloaded methods: timer/length serial/length daqdevice/length daqchild/length distributed/length codistributed/length Composite/length gpuArray/length fints/length videosource/length videoinput/length visa/length udp/length tcpip/length icgroup/length icdevice/length i2c/length gpib/length Bluetooth/length xregpointer/length mbcstore/length guidarray/length cgrules/length designdev/length des_constraints/length coninputfactor/length xregcontainer/length xregmulti/length xregcovariance/length xregmonitorplotproperties/length xregdataset/length cgtradeoffkeytable/length dataset/length categorical/length tscollection/length Reference page in Help browser doc length
给我老师的人工智能教程打call！http://blog.csdn.net/jiangjunshow
版权声明：本文内容由互联网用户自发贡献，该文观点仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 举报，一经查实，本站将立刻删除。
发布者：全栈程序员-站长，转载请注明出处：https://javaforall.net/133039.html原文链接：https://javaforall.net
