ArrayFire: diff2 (original) (raw)

Calculate the second order difference in an array over a given dimension. More...

Functions
AFAPI array diff2 (const array &in, const int dim=0)
C++ Interface to calculate the second order difference in an array over a given dimension. More...
AFAPI af_err af_diff2 (af_array *out, const af_array in, const int dim)
C Interface to calculate the second order difference in an array over a given dimension. More...

Calculate the second order difference in an array over a given dimension.

This function runs across all batches in the input simultaneously.

af_diff2()

C Interface to calculate the second order difference in an array over a given dimension.

Parameters

[out] out second order numerical difference
[in] in input array
[in] dim dimension along which the difference occurs

Returns

AF_SUCCESS, if function returns successfully, else an af_err code is given

C++ Interface to calculate the second order difference in an array over a given dimension.

Parameters

[in] in input array
[in] dim dimension along which the difference occurs, 0 denotes the first non-singleton dimension

Returns

second order numerical difference