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Misc fixes #1399

Merged
merged 6 commits into from
Apr 29, 2024
Merged

Misc fixes #1399

merged 6 commits into from
Apr 29, 2024

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skirpichev
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skirpichev and others added 6 commits April 29, 2024 07:03
Infinity no longer distributes over addition, for example `(1 + I)*oo`
stays as it was, instead of becoming `oo + I*oo`. Automatic distribution
of infinite factors is particularly problematic because it can change
the meaning of expression.

- `(1 + I)*oo` means going along the line y=x toward infinity

- `oo + I*oo` means both real and imaginary part go to infinity independently.

This loss of information affects subsequent computations with the expression.

// edited by skirpichev
@skirpichev skirpichev added wrong answer if mathematically wrong result was obtained core functions labels Apr 29, 2024
@skirpichev skirpichev added this to the 0.15 milestone Apr 29, 2024
@skirpichev skirpichev merged commit 6cc1320 into diofant:master Apr 29, 2024
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@skirpichev skirpichev deleted the misc branch April 29, 2024 05:40
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3 participants