This problem was solved by Dolph in 1946. He derives a method for obtaining weights for uniformly spaced linear arrays steered to broadside (=90 degrees). This is a popular weighting method because the sidelobe level can be specified, and the minimum possible null-null beamwidth is obtained.
Some differences is that: Photography can form a picture in seconds, where as a painting can take months to create. Also, photography is a cheaper, and also, you can make sooo many images of the same photo via the negatives. Paintings have only One, unless the artist is bothered to paint the exact same painiting! lol.
Photo Tip of the Week. Painting Versus Photography. The word photography comes from the Greek for painting with light.. A look at the differences between the mediums of painting and photography can help make you a better photographer. The difference most often cited is that painters start with a blank canvas while photographers have to work with what they find. But this distinction isn't entirely as clear cut as it might appear.