From: Beaver <>
Newsgroups: comp.soft-sys.matlab
Subject: Problem
Date: Tue, 04 May 2010 16:29:16 EDT
Organization: The Math Forum
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Xref: comp.soft-sys.matlab:632540

My problem is following:

I have velocity u and depth z data matrix (1x100). And have to find answer to the du/dz.

I know the answer when I have u like a equation - u=2*z+21. But how i manage this problem when I have numerical input data.