Q4. Let vi,..., vE E R". Assume that Span{vi,..., T} = R". In this problem you will show that n < k, i.e., R" cannot be spanned by fewer than n vectors (as you might intuitively expect). V11 V21 Uk1 V12 V22 Uk2 Show that the system of equations (a) Let vj = Vin V2n Ukn Vi1x1+ v21X2+ · · ·+ vk1Xk = b1 + vk2Xk = b2 V12X1+ V22X2 + • · · VinX1+ V2n2 + · ··+ VknXk = bn is consistent for all b1, b2, ..., bn E R. (b) Using part (a), show that n< k.
Q4. Let vi,..., vE E R". Assume that Span{vi,..., T} = R". In this problem you will show that n < k, i.e., R" cannot be spanned by fewer than n vectors (as you might intuitively expect). V11 V21 Uk1 V12 V22 Uk2 Show that the system of equations (a) Let vj = Vin V2n Ukn Vi1x1+ v21X2+ · · ·+ vk1Xk = b1 + vk2Xk = b2 V12X1+ V22X2 + • · · VinX1+ V2n2 + · ··+ VknXk = bn is consistent for all b1, b2, ..., bn E R. (b) Using part (a), show that n< k.
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.3: Spanning Sets And Linear Independence
Problem 21EQ
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