pydsm.delsig.padt

pydsm.delsig.padt(x, n, val=0)

Pad a matrix or a vector on the top.

Parameters

xndarray

matrix or vector to be padded (must be 1D or 2D)

nint

row height to pad x to

valnumber, optional

fill value for padding. Defaults to 0.

Returns

yndarray

matrix or vector x, padded to the top to have n rows. Padding value is val.

Notes

If x is an array rather than a matrix, then an array is returned, padded at its beginning. Namely, the array is interpreted as a column vector.