mickey4691
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 Mickey P. Somra
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Questions Asked

mickey4691:
Group Title
How to find the orthogonal projection of u on the subspace R^3 of spanned by the vectors v_1 and v_2.
u= (2,1,3); v_1=(1,1,0), v_2=(1,2,1)
 updated one month ago
 No Medals Yet
Mathematics

mickey4691:
Group Title
Let (v_1,v_2,...,v_r) be a basis for an inner product space V. How can I show that the zero vector is the only vector in V that is orthogona…
 updated one month ago
 6 replies
 1 Medal
Mathematics

mickey4691:
Group Title
How do i conduct inner product matrices? I attached the image.
 updated one month ago
 3 replies
 No Medals Yet
Mathematics

mickey4691:
Group Title
How can i prove that similar matrices have the same rank?
 updated 2 months ago
 3 replies
 1 Medal
Mathematics

mickey4691:
Group Title
Find the standard matrix for the stated composition in R^2.
a) A rotation of 90, followed by a reflection about the line y=x.
b) An ortho…
 updated 2 months ago
 11 replies
 No Medals Yet
Mathematics

mickey4691:
Group Title
RankNullity Question.
a) Give an example of a 3x3 matrix whose column space is a plane through the origin in 3space.
b) What kind of geo…
 updated 2 months ago
 11 replies
 1 Medal
Mathematics

mickey4691:
Group Title
Find a basis for the subspace of R^4 spanned by the vector: (1,1,4,3),(2,0,2,2),(2,1,3,2).
 updated 2 months ago
 No Medals Yet
Mathematics

mickey4691:
Group Title
How do I prove the basis S = {A,B,C,D}?
 updated 2 months ago
 1 reply
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Mathematics

mickey4691:
Group Title
How can I prove that the space spanned by two vectors in R^n is a line through the origin, a plane through the origin, or the origin itself?
 updated 3 months ago
 14 replies
 1 Medal
Mathematics

mickey4691:
Group Title
How can i prove that the solution set of a homogeneous linear system in n unknowns is a subspace of R^n?
 updated 3 months ago
 4 replies
 1 Medal
Mathematics

mickey4691:
Group Title
Prove that if A is an matrix mxn, then the solution set of the homogeneous linear system Ax=0 consists of all vectors in R^N that are
ortho…
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

mickey4691:
Group Title
Which of the following sets of vectors in R^4 are linearly dependent?
Please see attached image.
 updated 3 months ago
 1 reply
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Mathematics

mickey4691:
Group Title
A set of vectors in R^n is linearly dependent if the determinant is zero. Is this statement true?
 updated 3 months ago
 1 reply
 1 Medal
Mathematics

mickey4691:
Group Title
Is the set of all 2x2 invertible matrices with the standard matrix addition and scalar multiplication under vector space?
 updated 3 months ago
 96 replies
 5 Medals
Mathematics

mickey4691:
Group Title
Find a general solution of the system below to confirm the system is homogeneous.
x+y+z=1
2x+3y=0
 updated 3 months ago
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Mathematics

mickey4691:
Group Title
Find the vector and parametric equations of the line in R^2 that passes through the origin and is orthogonal to v, where v = (2,3).
 updated 3 months ago
 22 replies
 1 Medal
Mathematics

mickey4691:
Group Title
Application of Cramer's Rule to Trigonometry for a scalene Triangle. I will attach a photo of the details and question.
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

mickey4691:
Group Title
How do I go about to approach this vector theorem? I will attach the image.
 updated 3 months ago
 46 replies
 1 Medal
Mathematics

mickey4691:
Group Title
How do the points A(1,1,1), B(2,0,3) and C(3,1,1) form the vertices of a right triangle?
 updated 3 months ago
 28 replies
 3 Medals
Mathematics

mickey4691:
Group Title
How can I show that if A is a square matrix, then det(A^T A) = det(A A^T)?
 updated 4 months ago
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Mathematics

mickey4691:
Group Title
How can I prove this for every 2x2 Matrix A?
 updated 4 months ago
 1 reply
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Mathematics

mickey4691:
Group Title
Using linear algebra, analyze the given electrical circuits by finding the unknown currents. i will attach the image
 updated 4 months ago
 15 replies
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Mathematics

mickey4691:
Group Title
Using linear algebra, analyze the given electrical circuits by finding the unknown currents.
i will attach the image.
 updated 4 months ago
 2 replies
 No Medals Yet
Mathematics

mickey4691:
Group Title
Is the product of commuting skewsymmetric matrices skew symmetric? Explain
 updated 4 months ago
 2 replies
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Mathematics

mickey4691:
Group Title
look at this. Prove: If A^T * A=A, then $A$ is symmetric and A=A^2.
i have,
…
 updated 4 months ago
 6 replies
 1 Medal
Mathematics

mickey4691:
Group Title
Given the matrices A and x,
solve:
a) Ax=x for x
…
 updated 4 months ago
 12 replies
 2 Medals
Mathematics

mickey4691:
Group Title
Do you think that every 2x2 matrix has at least one square root? How can I explain this?
 updated 4 months ago
 8 replies
 No Medals Yet
Mathematics

mickey4691:
Group Title
Given matrix A= 3 1
2 1
Compute p(A), where p(x) = x2
 updated 4 months ago
 1 reply
 No Medals Yet
Mathematics

mickey4691:
Group Title
Do you think that every 2x2 matrix has at lease one square root? any explanation would be helpful.
 updated 4 months ago
 2 replies
 No Medals Yet
Mathematics

mickey4691:
Group Title
How many 3x3 matrices 'A' can you find such that
x x+y
A y = xy
…
 updated 4 months ago
 26 replies
 3 Medals
Mathematics
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