lanking520 commented on issue #12690: [MXNET-1000] get Ndarray real value and form it from a NDArray URL: https://github.com/apache/incubator-mxnet/pull/12690#issuecomment-432406518 This is a demo for toString method: ```Scala val arrBuf = ArrayBuffer[Array[Float]]() for (i <- 0 until 20) arrBuf += Array(1.0f, 2.0f, 3.0f, 4.0f) val arr = Array( Array( arrBuf.toArray ), Array( arrBuf.toArray ) ) val nd = NDArray.toNDArray(arr) println(nd) ``` Here is the output ``` [ [ [ [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] ] ] [ [ [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] [1.0,2.0,3.0,4.0] ] ] ] <NDArray (2,1,20,4) cpu(0)> ``` Here is what Gluon looks like: ``` Out[23]: [[0. 1. 2. 3.] [4. 5. 9. 7.] [ 8. 9. 10. 11.]] <NDArray 3x4 @cpu(0)> ```
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