**I got confused a lil bit when I started computing:**

**df from [df ff tf]=svd(dt)****df from [df dl]=eig(dd)**

**Also see your pdf of SVD MATLAB.**

**Why these two answers differ in magnitude as well as in sign?**

But in practically both should be exactly same.

**Also I found on wikipedia that**

**A=U S V1**

**A=U S V2**

**Mean: SVD is not unique?**

Can you elaborate thses two points here.

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