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1d
accepted Dimension of $m\times n$ matrices
2d
asked Dimension of $m\times n$ matrices
Apr
26
awarded  Custodian
Apr
26
reviewed No Action Needed Writing down solutions of differential equations
Apr
25
accepted Rank of a linear map $f: \mathbb{R}^n \to \mathbb{R}^m$ is equal to $m$?
Apr
25
comment Rank of a linear map $f: \mathbb{R}^n \to \mathbb{R}^m$ is equal to $m$?
That makes sense thank you. Can I then say that the $rank(f)\leq m$?
Apr
25
asked Rank of a linear map $f: \mathbb{R}^n \to \mathbb{R}^m$ is equal to $m$?
Apr
25
accepted Linear dependence under transformation
Apr
25
comment Linear dependence under transformation
Yes, that's what I meant thank you!
Apr
25
comment Linear dependence under transformation
Ok, let me rephrase my question, how do I know that $a,b,c$ don't change in $\mathbb{R}^4$?
Apr
25
comment Linear dependence under transformation
Thank you but how do I know the $a,b,c$ of the second equation are not all $0$?
Apr
25
asked Linear dependence under transformation
Apr
7
accepted Proving merge sort is $O(n^2)$ using induction
Apr
7
comment Proving merge sort is $O(n^2)$ using induction
Thank you, I've updated the question to clarify
Apr
7
revised Proving merge sort is $O(n^2)$ using induction
added 131 characters in body
Apr
7
asked Proving merge sort is $O(n^2)$ using induction
Apr
4
comment Vector space span theorem
Edited, was a typo thanks
Apr
4
revised Vector space span theorem
deleted 2 characters in body
Apr
4
accepted Vector space span theorem
Apr
4
asked Vector space span theorem