recTensor | R Documentation |

Combined with plotTensor3D function and the result of NTF or NTD, the reconstructed tesor structure can be visullized.

```
recTensor(S = NULL, A = NULL, idx = seq_along(dim(S)), reverse = FALSE)
```

`S` |
K-order tensor object, which is defined as S4 class of rTensor package. |

`A` |
A list containing K factor matrices. |

`idx` |
The direction of mode-n muliplication (Default: 1:K). For example idx=1 is defined. S x_1 A is calculated (x_1 : mode-1 multiplication). |

`reverse` |
If reverse = TRUE, t(A[[n]]) is multiplicated to S (Default: FALSE). |

Tensor object, which is defined as S4 class of rTensor package.

Koki Tsuyuzaki

`Tensor-class`

, `NTF`

, `NTD`

```
tensordata <- toyModel(model = "CP")
out <- NTF(tensordata, rank=3, algorithm="Beta-HALS", num.iter=2)
rec <- recTensor(out$S, out$A)
```

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