- #1
owlpride
- 211
- 0
I just need a short reminder from Calculus. Suppose you have a linear functional [tex]\alpha[/tex] from C1[-1,1] to [tex]\Re[/tex], given by
[tex]\alpha(f) = \int_{-1}^{1}f(t)g(t)dt[/tex]
for some fixed continuous function g. What is [tex]\frac{d \alpha}{d f}[/tex]?
[tex]\alpha(f) = \int_{-1}^{1}f(t)g(t)dt[/tex]
for some fixed continuous function g. What is [tex]\frac{d \alpha}{d f}[/tex]?