Mathcad: differentiating with indexes

  • Thread starter Uku
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Uku
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Hello!

The picture says a thousand words:
http://www.hot.ee/jaaniussikesed/v6rrand.jpg [Broken]

In the last member under the square root, there is the error. For some reason I am not able to differentiate with an array index, ts1 is a single column 5 row matrix. How to solve this? The error says "a name is required here".

Thanks,
U.
 
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  • #2
188
1
Hello!

The picture says a thousand words:
http://www.hot.ee/jaaniussikesed/v6rrand.jpg [Broken]

In the last member under the square root, there is the error. For some reason I am not able to differentiate with an array index, ts1 is a single column 5 row matrix. How to solve this? The error says "a name is required here".

Thanks,
U.
Try assigning ts1[i to a variable, t say, and differentiate that instead.

attachment.php?attachmentid=51500&stc=1&d=1349334622.jpg
 

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