For a function f(x,y), the gradient of ‘f’ at coordinates (x,y) is defined as a ___________(a) 3-D row vector(b) 3-D column vector(c) 2-D row vector(d) 2-D column vectorThe question was asked in homework.My doubt is from Sharpening Spatial Filters topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing

For a function f(x,y), the gradient of ‘f’ at coordinates (x,y) is

1.	For a function f(x,y), the gradient of ‘f’ at coordinates (x,y) is defined as a ___________(a) 3-D row vector(b) 3-D column vector(c) 2-D row vector(d) 2-D column vectorThe question was asked in homework.My doubt is from Sharpening Spatial Filters topic in portion Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» RIGHT ANSWER is (d) 2-D column vector The best explanation: The GRADIENT is a 2-D column vector.

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