December 1st, 2013, 01:24 AM  #1 
Newbie Joined: Dec 2013 Posts: 1 Thanks: 0  Linear systems
Hello. I have a question about linear systems. Ex: we have 2 equations with 3 unknown. 2x1+1x2+x3 = 5 1x1+ax2+x3 = 2 What to do with a if we put it in a matrix? Do we set it to 1 since x2 is behind or 1a? Like [ 2 1 1  5] [ 1 1 1  2] Or how Would you do? I am just curious 
December 1st, 2013, 07:12 AM  #2  
Math Team Joined: Dec 2006 From: Lexington, MA Posts: 3,267 Thanks: 408  Re: Linear systems Hello, Predator! What are the instructions? Quote:
I will assume that we are to solve the system. And maybe answer the question: [color=beige]. . [/color]"For what value(s) of will the system have no solutions?" [color=beige]. . . . [/color]  
December 4th, 2013, 05:11 PM  #3 
Newbie Joined: Dec 2013 Posts: 1 Thanks: 0  Re: Linear systems
Hi, I have published a course in Mathematics on "Matrix Algebra" @ https://www.udemy.com/matrixalgebra. Check it out!!


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