Unit I: Ax = b and the Four Subspaces

Solving Ax = b: Row Reduced Form R

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Session Overview

Figure excerpted from ‘Introduction to Linear Algebra’ by G.S. Strang We describe all solutions to Ax = b based on the free variables and special solutions encoded in the reduced form R.

Session Activities

Lecture Video and Summary

Suggested Reading

  • Read Section 3.3 through 3.4 in the 4th or 5th edition.

Problem Solving Video

Check Yourself

Problems and Solutions

Work the problems on your own and check your answers when you’re done.

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Course Info

Learning Resource Types

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assignment_turned_in Problem Sets with Solutions
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