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Value table/Finite/Index set/Evaluation/Exercise
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We consider the value table
i
{\displaystyle {}i}
1
{\displaystyle {}1}
2
{\displaystyle {}2}
3
{\displaystyle {}3}
4
{\displaystyle {}4}
5
{\displaystyle {}5}
6
{\displaystyle {}6}
7
{\displaystyle {}7}
8
{\displaystyle {}8}
a
i
{\displaystyle {}a_{i}}
2
{\displaystyle {}2}
5
{\displaystyle {}5}
4
{\displaystyle {}4}
−
1
{\displaystyle {}-1}
3
{\displaystyle {}3}
5
{\displaystyle {}5}
−
2
{\displaystyle {}-2}
2
{\displaystyle {}2}
Compute
a
2
+
a
5
{\displaystyle {}a_{2}+a_{5}}
.
Compute
∑
k
=
3
6
a
k
{\displaystyle {}\sum _{k=3}^{6}a_{k}}
.
Compute
∏
i
=
0
3
a
2
i
+
1
{\displaystyle {}\prod _{i=0}^{3}a_{2i+1}}
.
Compute
∑
i
=
4
5
a
i
2
{\displaystyle {}\sum _{i=4}^{5}a_{i}^{2}}
.
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