javascript - Resize ndarrays -

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If I have the value of x1 , y1 I have a 2d and some data in it, how do I find it sidelengths x2 , y2 (where x2> = x1 & y2> y2> y1 < / Code>) so that the original data remains on the same index and the operation does not always need to allocate a new typed aurora and there is no need to copy the data further .


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