[Date Index] [Thread Index] [Author Index]

matrix

• To: mathgroup at smc.vnet.net
• Subject: [mg28383] matrix
• From: "Su Su Win" <susuwin at post.kek.jp>
• Date: Sun, 15 Apr 2001 00:13:34 -0400 (EDT)
• Organization: KEKB
• Sender: owner-wri-mathgroup at wolfram.com

Hello,

How can I make a matrix (4000x1220) with zeros except that all the values at
216th to 220th rows are ones.
Thank you very much in advance.
Regards, Win