hw7/{summation_gpu.cu,HW7_Q2_funcs.jl}: first try
hw7/: fix q2, somewhat
hw7/: fixes
hw7/: Q2: retrieve sum
hw7/: Q2: fix sum
hw7/: Q2: make sure y_gpu is not overwritten
hw7/q2_gpu.out: save a successful run
hw7/Q2_parse_script.sh: also work with summation on GPU result
hw7/soln.tex: Q2.1: comment on GPU summation
hw7/soln.tex: wrap it up
hw7/soln.pdf: let's submit it