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cumprod and prod multiply in opposite order #3574
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I really enjoy this use of the fact that * for strings is concatenation. |
Oh, I misread – that's not quite what's going on, but this is still a cool way to demonstrate the issue. |
KristofferC
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Stdlib: Pkg URL: https://github.com/JuliaLang/Pkg.jl.git Stdlib branch: master Julia branch: master Old commit: 047734e4c New commit: f570abd39 Julia version: 1.11.0-DEV Pkg version: 1.11.0 Bump invoked by: @KristofferC Powered by: [BumpStdlibs.jl](https://github.com/JuliaLang/BumpStdlibs.jl) Diff: JuliaLang/Pkg.jl@047734e...f570abd ``` $ git log --oneline 047734e4c..f570abd39 f570abd39 tweak how Pkg is loaded for precompiling when testing (#3606) d3bd38b90 sort compat entries in `pkg> compat` (#3605) 5e07cfed0 Ensure that `string(::VersionSpec)` is compatible with `semver_spec()` (#3580) 6bed7c41a Clarify handling of LOAD_PATH in docstring and REPL help (#3589) 5261b3be7 tweak test dep docs (#3574) 72b430d50 status: expand 2 symbol upgrade note to highlight *may* be upgradable (#3576) b32db473d precompile: show ext parent in output report (#3603) ``` Co-authored-by: Dilum Aluthge <[email protected]>
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cumprod and prod multiply in the opposite order, which means they disagree for non-commutative products such as matrix multiplication.
I noticed this while computing a cumulative matrix product.
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