微雪

摘要： Subscript. indices must either be real positive integers or logicals中文解释：下标索引必须是正整数类型或者逻辑类型出错原因：在访问矩阵（包括向量、二维矩阵、多维数组，下同）的过程中，下标索引要么从 0 开始，要么出现了负数。注：解决办法：自己调试一下程序，把下标为 0 或者负数的地方修正。举例：【错误代码】：代码:for s = 0:0.2:2a(s) = 4 * s - 1;end【正确代码】：代码:for s = 1:10a(s) = 4 * s - 1;end当然，这样的赋值使用循环是低效的，因此不提倡Undefined 阅读全文

摘要： A reporter's high-profile resignation has provoked pessimism about the future of China's news media.resignation：辞职，放弃，顺从 pessimism：悲观，厌世主义Recently, Jian Guangzhou (@简光洲), one of the most reputed investigative journalists in China, quit the Oriental Daily (@东方早报) and announced he was ending h 阅读全文