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v0.3.0-dev-9 #324

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altavir merged 265 commits from dev into master 2021-05-08 17:16:29 +03:00
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kmath-tensors/src/commonMain/kotlin/space/kscience/kmath/tensors/api/TensorAlgebra.kt
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@ -145,7 +145,7 @@ public interface TensorAlgebra<T> {
/**
* Numerical negative, element-wise.
*
* @return tensor - negation of the original tensor.
* @return tensor negation of the original tensor.
*/
public operator fun TensorStructure<T>.unaryMinus(): TensorStructure<T>
@ -209,8 +209,8 @@ public interface TensorAlgebra<T> {
* If the second argument is 1-dimensional, a 1 is appended to its dimension for the purpose of the batched matrix
* multiple and removed after.
* The non-matrix (i.e. batch) dimensions are broadcasted (and thus must be broadcastable).
* For example, if `input` is a (j \times 1 \times n \times n) tensor and `other` is a
* (k \times n \times n) tensor, out will be a (j \times k \times n \times n) tensor.
* For example, if `input` is a (j &times; 1 &times; n &times; n) tensor and `other` is a
* (k &times; n &times; n) tensor, out will be a (j &times; k &times; n &times; n) tensor.
*
* For more information: https://pytorch.org/docs/stable/generated/torch.matmul.html
*
@ -227,17 +227,17 @@ public interface TensorAlgebra<T> {
*
* The argument [offset] controls which diagonal to consider:
* 1. If [offset] = 0, it is the main diagonal.
* 2. If [offset] > 0, it is above the main diagonal.
* 3. If [offset] < 0, it is below the main diagonal.
* 1. If [offset] > 0, it is above the main diagonal.
* 1. If [offset] < 0, it is below the main diagonal.
*
* The size of the new matrix will be calculated
* to make the specified diagonal of the size of the last input dimension.
* For more information: https://pytorch.org/docs/stable/generated/torch.diag_embed.html
*
* @param diagonalEntries - the input tensor. Must be at least 1-dimensional.
* @param offset - which diagonal to consider. Default: 0 (main diagonal).
* @param dim1 - first dimension with respect to which to take diagonal. Default: -2.
* @param dim2 - second dimension with respect to which to take diagonal. Default: -1.
* @param diagonalEntries the input tensor. Must be at least 1-dimensional.
* @param offset which diagonal to consider. Default: 0 (main diagonal).
* @param dim1 first dimension with respect to which to take diagonal. Default: -2.
* @param dim2 second dimension with respect to which to take diagonal. Default: -1.
*
* @return tensor whose diagonals of certain 2D planes (specified by [dim1] and [dim2])
* are filled by [diagonalEntries]