- #1
mnb96
- 715
- 5
Hi!
I want to write the following expression in Einstein notation:
[tex](a_1+\ldots+a_n)(b_1+\ldots+b_n)[/tex]
I tried it by introducing the term [tex]I^{ij}=1[/tex] and writing:
[tex]a_ib_jI^{ij}[/tex]
Are you aware of another, more convenient form for this?
I want to write the following expression in Einstein notation:
[tex](a_1+\ldots+a_n)(b_1+\ldots+b_n)[/tex]
I tried it by introducing the term [tex]I^{ij}=1[/tex] and writing:
[tex]a_ib_jI^{ij}[/tex]
Are you aware of another, more convenient form for this?