pcompassion
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 유진 김유진
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LuckyF00L:
Group Title
Hi, I want to take the Linear Algebra course so that i can move on to study a bit of Machine Learning. I have seen that Multivariable Calcul…
 updated 3 years ago
 2 replies
 2 Medals
Mathematics

yrpersonna:
Group Title
If S a subspace of R^3 consisting of all vectors orthogonal to g =[1, 2, 4], how I show S is a subspace of R^3; Find the basis of S
 updated 3 years ago
 1 reply
 1 Medal
Mathematics

paglia:
Group Title
would someone explain me how do I get the L matrix in the LU factorization?
i've got an example if necessary:
2xy+3z=1…
 updated 3 years ago
 4 replies
 No Medals Yet
Mathematics

Rana2580:
Group Title
Hey... I have just started MIT 18.06 my algebra basics are little rusty. Should I start with some refreshing.. may be some khan academy vide…
 updated 3 years ago
 7 replies
 2 Medals
Mathematics

pcompassion:
Group Title
How can you conclude a function with given properties is uniquely determined?
Determinant(function on square matrix) is a function with 3 p…
 updated 3 years ago
 6 replies
 1 Medal
Mathematics

alee:
Group Title
ı didnt understand basis and dimension. can someone help me? :)
 updated 3 years ago
 5 replies
 4 Medals
Mathematics

hotjava:
Group Title
How do I show that if the Transition Matrix P B1> B2 is diagonal, then the vectors of B1 must be a scalar multiple of some vector in B2. …
 updated 3 years ago
 1 reply
 No Medals Yet
Mathematics

pcompassion:
Group Title
If we have n linearly independent vectors for dimension n vector space, those n vectors span the space. How can I prove it?
 updated 3 years ago
 5 replies
 1 Medal
Mathematics

philip:
Group Title
From the 8th lecture.
The solution of Ax = b is
x = x particular + x nullspace…
 updated 3 years ago
 3 replies
 1 Medal
Mathematics

pcompassion:
Group Title
Can someone prove that "if there exists C such that CA = I, then AC=I"?
 updated 3 years ago
 18 replies
 1 Medal
Mathematics

pcompassion:
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problem set 2, 4b) Without calculation, explain why (d/dx)arccosine(x) + (d/dx)arcsin(x) = 0
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

pcompassion:
Group Title
are there solutions for 18.01 problem sets?. I'm having trouble understanding the question.(problem set 1, #2). What is L and what is h in t…
 updated 3 years ago
 6 replies
 1 Medal
Mathematics

jsoeung:
Group Title
So , do I have to complete the entire pre calculus course in order to understand single variable?
 updated 3 years ago
 2 replies
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Mathematics