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File 134359523457.gif - (297B , 26x19 , CodeCogsEqn.gif )
162 No. 162
hey, probably a stupid question, but I found this notation in a script and I'm wondering what the index '0' means..?! It would be cool if you could help me here.
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>> No. 163
oh, now this looks ugly. Basically I'm asking for C_{0 }^{\infty}
>> No. 164
File 134360157119.png - (3.09KB , 400x45 , CodeCogsEqn.png )
164
C_0^\infty(\Omega) usually means the set of real-valued compactly supported smooth functions defined on \Omega. These functions are very useful tools in real analysis.
>> No. 166
thanks a lot!


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