Sum

This class is used to manipulate sums. A Sum has a certain number of terms and also may have an exponent different from 1. When itering over a Sum, the iteration will be over its terms and over the exponent.

As well as for Product, a Sum does not have its 'own' sign. See explanations in Product.

Possible args for __init__() :
None | Sum | Number | String | Exponented | [Number | String | Exponented]

Fields :
term: this is the term's list
force_display_inner_brackets: if this boolean is set to True, inner brackets will be displayed preceded by a '+'; for instance 1+2 will be displayed +(1+2); in some cases the inner brackets are displayed even if force_display_inner_brackets is not set to True: for instance (-1)² (single negative element and exponent different from 1) or (3+1)² (several terms and an exponent different from 1)

Debugging info :

Check Sum's complete doc

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