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Tell me more about the Data Dimension bursary programme

asked Feb 23 by ♦MathsGee Diamond (89,175 points) | 45 views

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state theory of "VC (Vapnik-Chervonenkis) dimension

asked Feb 5 by ♦GaussTheBot Diamond (45,615 points) | 59 views

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Let \(A\) be a \(2 \times 2\) real matrix with entries from \(\{0,1\}\) and \(|A| \neq 0\). Consider the following two statements :

asked Nov 29, 2022 by ♦Maths Genie Bronze Status (8,170 points) | 80 views

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Consider the equation of motion for the average velocity of a Brownian particle in one dimension

asked Jul 1, 2022 by ♦GaussTheBot Diamond (45,615 points) | 86 views

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What best describes the relationship between Grays's Behavioral Activation System (BAS) and Eysenck's theoretical Extroversion dimension?

asked Mar 7, 2022 by ♦GaussTheBot Diamond (45,615 points) | 111 views

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Let \(\mathcal{S} \subset \mathbb{R}^{4}\) be the vectors \(X=\left(x_{1}, x_{2}, x_{3}, x_{4}\right)\) that satisfy \(x_{1}+x_{2}-x_{3}+x_{4}=0\).

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 243 views

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Let \(V\) be the linear space of \(n \times n\) matrices with real entries. Define a linear transformation \(T: V \rightarrow V\) by the rule \(T(A)=\frac{1}{2}\left(A+A^{T}\right)\). [Here \(A^{T}\) is the matrix transpose of \(A .]\)

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 281 views

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Let \(L: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a linear map. Show that

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 303 views

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Let \(A\) and \(B\) be \(n \times n\) matrices.

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 130 views

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Show that \(\mathcal{L}\) and \(\mathcal{R}\) are linear spaces and compute their dimensions.

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 137 views

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Show that \(\mathcal{A}\) is a linear space and compute its dimension.

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 118 views

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Consider the homogeneous linear system \(A x=0\) where \[ A=\left(\begin{array}{rrrr} 1 & 3 & 0 & 1 \\ 1 & 3 & -2 & -2 \\ 0 & 0 & 2 & 3 \end{array}\right) \text {. } \]

asked Jan 21, 2022 by ♦MathsGee Diamond (89,175 points) | 236 views

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Let \(A: \mathbb{R}^{n} \rightarrow \mathbb{R}^{k}\) be a linear map. Show that the following are equivalent.

asked Jan 20, 2022 by ♦MathsGee Diamond (89,175 points) | 299 views

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Compute the dimension and find bases for the following linear spaces.

asked Jan 20, 2022 by ♦MathsGee Diamond (89,175 points) | 162 views

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For which real numbers \(x\) do the vectors: \((x, 1,1,1),(1, x, 1,1),(1,1, x, 1),(1,1,1, x)\) not form a basis of \(\mathbb{R}^{4}\) ?

asked Jan 20, 2022 by ♦MathsGee Diamond (89,175 points) | 192 views

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In Einstein's universe, what is the fourth dimension?

asked Oct 5, 2021 by Digitized Wooden Status (671 points) | 212 views

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What is the mathematical intuition behind dimension reduction?

asked May 30, 2021 by ♦MathsGee Diamond (89,175 points) | 218 views

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What is the volume of this 3D composite solid.

asked Mar 15, 2021 by ♦MathsGee Diamond (89,175 points) | 293 views

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What do machine learning people mean by the term, "curse of dimensionality"?

asked Dec 22, 2020 by ♦MathsGee Diamond (89,175 points) | 313 views

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What proportion of the points in a hypercube of dimension 50 are in the boundary?

asked Dec 22, 2020 by ♦MathsGee Diamond (89,175 points) | 780 views

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What are approaches of supervised models where the dimension of independent variables is not fixed?

asked Nov 27, 2020 by Andreas | 249 views

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What is the special name for a shape with 6 sides?

asked Nov 24, 2020 by ♦CT Silver Status (24,686 points) | 270 views

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What is the VC dimension for Linear Support Vector Machines in d-dimensional space?

asked Oct 11, 2020 by ♦MathsGee Diamond (89,175 points) | 287 views

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We know that one hot encoding increasing the dimensionality of a data set. But, label encoding doesn’t. How ?

asked Aug 5, 2020 by ♦MathsGee Diamond (89,175 points) | 477 views

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What are 3 ways of reducing dimensionality?

asked Jul 28, 2020 by ♦MathsGee Diamond (89,175 points) | 194 views

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What is the "Curse of Dimensionality?"

asked Jul 28, 2020 by ♦MathsGee Diamond (89,175 points) | 202 views

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How does dimension reduction help reduce overfitting?

asked Jul 24, 2020 by ♦MathsGee Diamond (89,175 points) | 299 views

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Belinda has moved from the USA to South Africa and brought her washing machine, refrigerator and dishwasher with her.

asked Jun 17, 2020 by ♦CT Silver Status (24,686 points) | 265 views

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Calculate the dimensions of the banner in metres. 1 mile = 1 609 m and 1 foot = 0,305 m

asked Jun 10, 2020 by Joshua Mwanza Gold Status (26,655 points) | 1,169 views

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What is the curse of dimensionality?

asked Mar 11, 2019 by Edzai Zvobwo Bronze Status (5,558 points) | 221 views

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Recent questions tagged dimension