Object/Class

edu.cmu.dynet

Expression

Related Docs: class Expression | package dynet

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object Expression

Contains methods for creating edu.cmu.dynet.Expressions. There are several ways to create expressions:

* from explicit values (e.g. input) * randomly (e.g. randomNormal) * from edu.cmu.dynet.ParameterCollection parameters (e.g. parameter) * from other expressions (e.g. softmax and pow)

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Type Members

  1. implicit class ImplicitNumerics[T] extends AnyRef

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    Augment numbers so that they can do arithmetic with expressions.

Value Members

  1. final def !=(arg0: Any): Boolean

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  2. final def ##(): Int

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  3. final def ==(arg0: Any): Boolean

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  4. def abs(e: Expression): Expression

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  5. def affineTransform(exprs: Expression*): Expression

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  6. def affineTransform(ev: ExpressionVector): Expression

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  7. final def asInstanceOf[T0]: T0

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  8. def average(exprs: Expression*): Expression

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  9. def average(ev: ExpressionVector): Expression

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  10. def averageCols(x: Expression): Expression

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  11. def binaryLogLoss(x: Expression, y: Expression): Expression

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  12. def blockDropout(x: Expression, p: Float): Expression

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  13. def cdiv(x: Expression, y: Expression): Expression

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  14. def clone(): AnyRef

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  15. def cmult(x: Expression, y: Expression): Expression

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  16. def colwiseAdd(x: Expression, bias: Expression): Expression

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  17. def concatenate(exprs: Expression*): Expression

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  18. def concatenate(v: ExpressionVector): Expression

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  19. def concatenateCols(exprs: Expression*): Expression

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  20. def concatenateCols(v: ExpressionVector): Expression

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  21. def concatenateToBatch(exprs: Expression*): Expression

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  22. def concatenateToBatch(v: ExpressionVector): Expression

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  23. def constLookup(p: LookupParameter, indices: UnsignedVector): Expression

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  24. def constLookup(p: LookupParameter, pindex: UnsignedPointer): Expression

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  25. def constLookup(p: LookupParameter, index: Long): Expression

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  26. def constParameter(lp: LookupParameter): Expression

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  27. def constParameter(p: Parameter): Expression

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  28. def constant(d: Dim, v: Float): Expression

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  29. def contract3d1d(x: Expression, y: Expression, b: Expression): Expression

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  30. def contract3d1d(x: Expression, y: Expression): Expression

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  31. def contract3d1d1d(x: Expression, y: Expression, z: Expression, b: Expression): Expression

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  32. def contract3d1d1d(x: Expression, y: Expression, z: Expression): Expression

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  33. def conv2d(x: Expression, f: Expression, b: Expression, stride: UnsignedVector): Expression

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  34. def conv2d(x: Expression, f: Expression, b: Expression, stride: UnsignedVector, isValid: Boolean): Expression

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  35. def conv2d(x: Expression, f: Expression, stride: UnsignedVector): Expression

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  36. def conv2d(x: Expression, f: Expression, stride: UnsignedVector, isValid: Boolean): Expression

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  37. def cube(e: Expression): Expression

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  38. def dotProduct(x: Expression, y: Expression): Expression

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  39. def dropout(x: Expression, p: Float): Expression

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  40. def dropoutBatch(x: Expression, p: Float): Expression

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  41. def dropoutDim(x: Expression, d: Long, p: Float): Expression

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  42. def elu(e: Expression): Expression

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  43. final def eq(arg0: AnyRef): Boolean

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  44. def equals(arg0: Any): Boolean

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  45. def erf(e: Expression): Expression

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  46. def exp(e: Expression): Expression

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  47. def exprDivide(e1: Expression, x: Float): Expression

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  48. def exprMinus(x: Float, e2: Expression): Expression

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  49. def exprMinus(e1: Expression, x: Float): Expression

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  50. def exprMinus(e1: Expression, e2: Expression): Expression

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  51. def exprMinus(e: Expression): Expression

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  52. def exprPlus(x: Float, e2: Expression): Expression

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  53. def exprPlus(e1: Expression, x: Float): Expression

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  54. def exprPlus(e1: Expression, e2: Expression): Expression

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  55. def exprTimes(x: Float, e2: Expression): Expression

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  56. def exprTimes(e1: Expression, x: Float): Expression

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  57. def exprTimes(e1: Expression, e2: Expression): Expression

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  58. def filter1DNarrow(x: Expression, f: Expression): Expression

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  59. def finalize(): Unit

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  60. def flipGradient(x: Expression): Expression

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  61. def foldRows(x: Expression, nRows: Long = 2l): Expression

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  62. final def getClass(): Class[_]

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  63. def hashCode(): Int

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  64. def hinge(e: Expression, indices: UnsignedVector): Expression

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  65. def hinge(e: Expression, index: UnsignedPointer): Expression

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  66. def hinge(e: Expression, indices: UnsignedVector, m: Float): Expression

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  67. def hinge(e: Expression, index: UnsignedPointer, m: Float): Expression

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  68. def hinge(e: Expression, index: Long, m: Float = 1.0f): Expression

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  69. def hingeDim(e: Expression, indices: UnsignedVector, d: Long = 0L, m: Float = 1.0f): Expression

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  70. def hingeDimBatch(e: Expression, indices: UnsignedVectorVector, d: Long = 0L, m: Float = 1.0f): Expression

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  71. def huberDistance(x: Expression, y: Expression, c: Float = 1.345f): Expression

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  72. def input(d: Dim, ids: UnsignedVector, data: FloatVector, defdata: Float = 0f): Expression

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  73. def input(d: Dim, pdata: FloatVector): Expression

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  74. def input(fp: FloatPointer): Expression

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  75. def input(s: Float): Expression

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  76. def inverse(x: Expression): Expression

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  77. final def isInstanceOf[T0]: Boolean

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  78. def kMaxPooling(x: Expression, k: Long): Expression

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  79. def kmhNgram(x: Expression, n: Long): Expression

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  80. def l1Distance(x: Expression, y: Expression): Expression

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  81. def l2Norm(e: Expression): Expression

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  82. def layerNorm(x: Expression, g: Expression, b: Expression): Expression

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  83. def lgamma(e: Expression): Expression

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  84. def log(e: Expression): Expression

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  85. def logSoftmax(e: Expression, restriction: UnsignedVector): Expression

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  86. def logSoftmax(e: Expression): Expression

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  87. def logSumExp(v: ExpressionVector): Expression

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  88. def logdet(x: Expression): Expression

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  89. def logistic(e: Expression): Expression

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  90. def lookup(p: LookupParameter, indices: UnsignedVector): Expression

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  91. def lookup(p: LookupParameter, pindex: UnsignedPointer): Expression

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  92. def lookup(p: LookupParameter, index: Long): Expression

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  93. def max(v: ExpressionVector): Expression

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  94. def max(x: Expression, y: Expression): Expression

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  95. def meanDim(x: Expression, v: UnsignedVector, b: Boolean = false, n: Long = 0L): Expression

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  96. def meanElems(e: Expression): Expression

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  97. def min(x: Expression, y: Expression): Expression

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  98. def momentBatches(x: Expression, r: Long): Expression

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  99. def momentDim(x: Expression, v: UnsignedVector, r: Long, b: Boolean = false, n: Long = 0L): Expression

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  100. def momentElems(e: Expression, r: Long): Expression

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  101. final def ne(arg0: AnyRef): Boolean

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  102. def noBackProp(x: Expression): Expression

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  103. def noise(x: Expression, stddev: Float): Expression

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  104. final def notify(): Unit

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  105. final def notifyAll(): Unit

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  106. def ones(d: Dim): Expression

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  107. def pairwiseRankLoss(x: Expression, y: Expression, m: Float = 1.0f): Expression

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  108. def parameter(lp: LookupParameter): Expression

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  109. def parameter(p: Parameter): Expression

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  110. def pick(x: Expression, v: UnsignedPointer, d: Long): Expression

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  111. def pick(x: Expression, v: UnsignedVector, d: Long): Expression

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  112. def pick(x: Expression, v: Long, d: Long = 0l): Expression

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  113. def pickBatchElem(x: Expression, v: Long): Expression

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  114. def pickBatchElems(x: Expression, v: UnsignedVector): Expression

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  115. def pickNegLogSoftmax(e: Expression, v: UnsignedVector): Expression

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  116. def pickNegLogSoftmax(e: Expression, v: UnsignedPointer): Expression

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  117. def pickNegLogSoftmax(e: Expression, v: Long): Expression

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  118. def pickrange(x: Expression, v: Long, u: Long, d: Long = 0l): Expression

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  119. def poissonLoss(x: Expression, y: UnsignedPointer): Expression

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  120. def poissonLoss(x: Expression, y: Long): Expression

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  121. def pow(x: Expression, y: Expression): Expression

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  122. def randomBernoulli(d: Dim, p: Float, scale: Float = 1.0f): Expression

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  123. def randomGumbel(d: Dim, mu: Float, beta: Float): Expression

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  124. def randomNormal(d: Dim): Expression

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  125. def randomUniform(d: Dim, left: Float, right: Float): Expression

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  126. def rectify(e: Expression): Expression

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  127. def reshape(x: Expression, d: Dim): Expression

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  128. def selectCols(x: Expression, rows: UnsignedVector): Expression

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  129. def selectRows(x: Expression, rows: UnsignedVector): Expression

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  130. def selu(e: Expression): Expression

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  131. def softmax(e: Expression, d: Long = 0L): Expression

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  132. def softsign(e: Expression): Expression

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  133. def sparsemax(e: Expression): Expression

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  134. def sparsemaxLoss(e: Expression, targetSupport: UnsignedVector): Expression

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  135. def sqrt(e: Expression): Expression

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  136. def square(e: Expression): Expression

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  137. def squaredDistance(e1: Expression, e2: Expression): Expression

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  138. def squaredNorm(e: Expression): Expression

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  139. def stdBatches(x: Expression): Expression

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  140. def stdDim(x: Expression, v: UnsignedVector, b: Boolean = false, n: Long = 0L): Expression

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  141. def stdElems(e: Expression): Expression

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  142. def stridedSelect(x: Expression, strides: Seq[Int], from: Seq[Int], to: Seq[Int]): Expression

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  143. def stridedSelect(x: Expression, strides: IntVector, from: IntVector, to: IntVector): Expression

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  144. def sum(exprs: Expression*): Expression

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  145. def sum(ev: ExpressionVector): Expression

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  146. def sumBatches(x: Expression): Expression

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  147. def sumCols(x: Expression): Expression

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  148. def sumDim(x: Expression, dims: UnsignedVector, b: Boolean = false): Expression

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  149. def sumElems(e: Expression): Expression

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  150. def sumRows(x: Expression): Expression

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  151. final def synchronized[T0](arg0: ⇒ T0): T0

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  152. def tanh(e: Expression): Expression

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  153. def toString(): String

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  154. def traceOfProduct(x: Expression, y: Expression): Expression

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  155. def transpose(x: Expression): Expression

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  156. final def wait(): Unit

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  157. final def wait(arg0: Long, arg1: Int): Unit

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  158. final def wait(arg0: Long): Unit

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  159. def weightNorm(w: Expression, g: Expression): Expression

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  160. def zeroes(d: Dim): Expression

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  161. def zeros(d: Dim): Expression

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