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Elliot Herrington
  • Member for 3 years, 3 months
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5 votes
Accepted

Geometry of $\mathbb{R}^n$: what is this area of mathematics called?

4 votes
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Most gentle introduction to undergraduate analysis

4 votes
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Lie algebra of $\left(\begin{smallmatrix}a & b\\ & a^2\end{smallmatrix}\right )$ in $GL_2(\mathbb{R})$

4 votes
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On a complex matrix $A$ such that $A A^T$ is real

3 votes
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Intersection of Subspaces and Linear independence

3 votes
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Looking for a different type of Linear Algebra book

3 votes
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Let $w_1 = (0,1,1)$. Expand {$w_1$} to a basis of $R^3$.

3 votes
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$\{A \in GL_2(\mathbb R):|\det(A)|=1\}$ is a normal subgroup of $GL_2(\mathbb R)$

3 votes
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Prerequisites for Lie groups and Lie algebras

2 votes
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The basis for intersection of two subspaces

2 votes
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Doubt on free variable in 3x3 matrix eigenvectors

2 votes

Show that $f(z)=\frac{1}{2\pi}\int\limits_0^{2\pi}f\left(\frac{e^{i\theta}+z}{1+\overline{z}e^{i\theta}}\right)d\theta$

2 votes
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Why we need to show that two affine subsets parallel to $U$ are equal or disjoint before defining addition and scalar multiplication on $V/U$

2 votes
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$\langle Ax,x \rangle^4\leq \langle A^4x,x\rangle$

2 votes
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Finding the Inverse of a Matrix using Row Operations

2 votes

How to find the limit $\displaystyle\lim_{x\rightarrow\infty}\dfrac{(1+x)^n-3}{x^n}?$

2 votes
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Why am I getting t is a vector when solving for t in the vector equation of a 3d line.

2 votes

What are the conditions for two vectors to be equal?

2 votes
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Find inner product

1 vote

Matrix Inverse and Linear Dependence

1 vote

Condition for $(I+\epsilon A)(I+\epsilon A^\top)>\epsilon^2 AA^\top$

1 vote
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Matrices and Rank with an unknown variable

1 vote
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Finding intersection of subspaces

1 vote
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Reference request for studying bilinear form.

1 vote

Cauchy form of remainder theorem

1 vote
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$\operatorname{rank}(A+B)\geq|\operatorname{rank}(A)-\operatorname{rank}(B)|$

1 vote
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Finding the eigenvalues of T.

1 vote

linear operator on a finite dimensional vector space

1 vote
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Enlarge set to make basis

1 vote
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Give an example of a linear operator T on an inner product space V such that $N(T) \neq N(T^{*})$