I know that for summing over integers from 1 to n we have sum(f,x,1,4) type of thing ...but what if I want to sum like f(1)+f(1.1)+f(1.2)+...+f(3.9)+f(4.0)? Can we create list of numbers from 1 to 4 with step size 0.1 or arbitrary step size which I choose.? what is the command for that?
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