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  • ...tries j in a particular column sum to 1, as this itself must be a pmf if a transition from <math>i</math> is to lead to a state still within the state set for <m The probability matrix <math>P</math> is the same for all indicies <math>n\in T</math>. ...
    5 KB (865 words) - 09:45, 30 August 2017
  • <br>'''Transition Probability:'''<br> <br>'''Transition Matrix:'''<br> ...
    6 KB (1,113 words) - 09:45, 30 August 2017
  • Let <math>\displaystyle X = \{1, 2, 3, 4\}</math> and be the transition matrix: :<math>P=\left(\begin{matrix}1/3&2/3&0&0\\ ...
    7 KB (1,129 words) - 09:45, 30 August 2017
  • The negative of the second derivative is typically called the information matrix. ===Matrix Notation=== ...
    12 KB (2,160 words) - 00:48, 4 November 2011
  • ...>, unobserved states <math>q_t</math>, transition matrix A, and emission matrix B. HMM characterized by <math>\lambda=(A,B,\pi)</math> :[[File:HMM2.png|thu A a transition matrix where <math>a_ij</math> is the (i,j) entry in A: ...
    10 KB (1,640 words) - 09:46, 30 August 2017
  • ...problem could occur have the tendency not to change their values, i.e. the transition probability to a new state is less than the probability of staying at the s ...pecified state in the HMM. The transition among these stats represents the transition among speakers. However, a model like this suffers from a serious limitatio ...
    12 KB (2,039 words) - 09:46, 30 August 2017
  • ...h a single discrete state variable, which varies according to a transition matrix A[N,N] ( N is the number of hidden states). Each state is associated with a ...ate Gaussian function with the chain output as the means, and a covariance matrix representing the signal noise. Figure ‎1 shows schematics of a factorial HM ...
    18 KB (2,835 words) - 09:46, 30 August 2017
  • ...ing on selected clean instances and avoids estimating the noise transition matrix. In addition, using stochastic optimization with momentum to train the deep ...lean by default) are manually corrupted by applying a noise transformation matrix<math>Q</math>, where where <math>Q_{ij} = Pr(\widetilde{y} = j|y = i)</math ...
    15 KB (2,318 words) - 21:02, 11 December 2018
  • # A novel, approximate transition policy gradient update for training the Manager; ...ker. The Manager’s goals <math>g_t</math> are trained using an approximate transition policy gradient. The Worker is then trained via intrinsic reward which sti ...
    20 KB (3,237 words) - 01:59, 3 December 2017
  • ...a loss correction approach. Other LNL methods estimate a noise transition matrix and employ it to correct the loss function. An example of a popular loss co <li> Estimating the noise transition matrix, which denotes the probability of clean labels flipping to noisy labels, to ...
    19 KB (2,939 words) - 05:01, 16 December 2020
  • ...semantic composition of the text(the meaning), as it treats texts as a 2D matrix by concatenating the embedding of words together. It uses a 1D convolution ...on local and position-invariant features. The bidirectional RNN produces a matrix that learns each word's contextual representation; the words' importance ab ...
    29 KB (4,696 words) - 23:14, 6 December 2020
  • ...dient obtained from the top layer. Since only a small subset of the weight matrix is modified, we obtain a linear reduction in the computational cost. The ex ...opagation computes the "full gradient" for the input vector and the weight matrix. However, in me-Prop, back propagation computes an "approximate gradient" b ...
    20 KB (3,272 words) - 20:40, 28 November 2017
  • ...iki/State_diagram state diagrams]. This means that given grammar and state transition rules, we can express all strings generated by those rules if the language ...ise, we move our filter down one to get the (1,2) element of the convolved matrix. A similar operation can be applied to vectors with an nx1 filter. ...
    32 KB (5,284 words) - 22:03, 19 March 2018
  • <center><math>\begin{matrix} \end{matrix}</math></center> ...
    100 KB (18,249 words) - 09:45, 30 August 2017
  • ...eta) = \frac{1}{2}e^{-\frac{d}{2}}\times\frac{1}{2\pi},\quad d = r^2 \end{matrix} </math> Note that <math> \begin{matrix}f(r,\theta)\end{matrix}</math> consists of two density functions, Exponential and Uniform, so assu ...
    145 KB (24,333 words) - 09:45, 30 August 2017
  • a<-apply(-log(matrix(runif(3000),nrow=1000)),1,sum); a<-apply(-log(matrix(runif(3000),nrow=1000)),1,sum); ...
    139 KB (23,688 words) - 09:45, 30 August 2017
  • ...ol{\beta} = \{\beta_1, \beta_2, \dots, \beta_T \}</math> be the transition matrix from the topic distribution trained in the decoder where <math>\beta_i \in A matrix decomposition technique is applied onto <math> \mathcal{W}(t) </math> and < ...
    18 KB (2,810 words) - 23:45, 14 November 2018
  • * <math>\mathbf{W} </math> is the weight matrix between the visible units and hidden units, with components <math>w_{ij}</m ...>t</math>, and <math>v_t</math> is the features at the same time step. The transition probabilities and the language models were tuned independently using the HM ...
    24 KB (3,699 words) - 09:46, 30 August 2017
  • ...ayer. The input is a 200-dimensional vector and the output is 64 x 64 x 64 matrix with values in [0,1]. ...input is generated or is in fact real. This network takes a 64 x 64 x 64 matrix as input and outputs a real number in [0,1]. Instead of ReLU activation fun ...
    26 KB (4,005 words) - 10:58, 28 October 2017
  • ...-of words vector. Each memory <math> c_i</math> is embedded using the same matrix, giving $m_i$ = $A$$c_i$ . The output of addressing and then reading from m ...w state of the controller, where <math> R_1</math> is a $d$ × $d$ rotation matrix . The attention over the memory can then be repeated using <math> u_1</math ...
    26 KB (4,081 words) - 13:59, 21 November 2021
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