From e53be5062d5dbc0742eb20c0871701b481631741 Mon Sep 17 00:00:00 2001 From: Julien Calixte Date: Fri, 15 May 2026 00:09:28 +0200 Subject: [PATCH] docs(qfd): switch roof symbols to classical QFD single-char set --- docs/qfd.md | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/docs/qfd.md b/docs/qfd.md index 0a07a49..338a031 100644 --- a/docs/qfd.md +++ b/docs/qfd.md @@ -126,25 +126,25 @@ before the runtime decision does. ## 4. Roof — function-vs-function tradeoffs The roof shows where pushing one function pushes another the wrong way. -**`++`** strong reinforcement, **`+`** mild, **`–`** mild conflict, -**`– –`** strong conflict. +Classical QFD single-character symbols: **`◎`** strong reinforcement, +**`○`** mild reinforcement, **`×`** mild conflict, **`⊗`** strong conflict. | | H1 | H2 | H3 | H4 | H5 | H6 | H7 | H8 | H9 | H10 | H11 | H12 | H13 | H14 | H15 | | ------- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | -| **H1** | — | ++ | – | | + | | | | | | | | – | | | -| **H2** | | — | ++ | | | | | | | | | | + | | | -| **H3** | | | — | | | | | | | | | | + | | | -| **H4** | | | | — | | | | | | – | | | | | | -| **H5** | | | | | — | + | | + | – – | | | | | | | -| **H6** | | | | | | — | + | | – – | | | ++ | | | | -| **H7** | | | | | | | — | | – | | | ++ | | | | +| **H1** | — | ◎ | × | | ○ | | | | | | | | × | | | +| **H2** | | — | ◎ | | | | | | | | | | ○ | | | +| **H3** | | | — | | | | | | | | | | ○ | | | +| **H4** | | | | — | | | | | | × | | | | | | +| **H5** | | | | | — | ○ | | ○ | ⊗ | | | | | | | +| **H6** | | | | | | — | ○ | | ⊗ | | | ◎ | | | | +| **H7** | | | | | | | — | | × | | | ◎ | | | | | **H8** | | | | | | | | — | | | | | | | | -| **H9** | | | | | | | | | — | – – | | | | | | -| **H10** | | | | | | | | | | — | | | | | – – | -| **H11** | | | | | | | | | | | — | | – | | | +| **H9** | | | | | | | | | — | ⊗ | | | | | | +| **H10** | | | | | | | | | | — | | | | | ⊗ | +| **H11** | | | | | | | | | | | — | | × | | | | **H12** | | | | | | | | | | | | — | | | | | **H13** | | | | | | | | | | | | | — | | | -| **H14** | | | | | | | | | | | | | | — | – | +| **H14** | | | | | | | | | | | | | | — | × | | **H15** | | | | | | | | | | | | | | | — | ### Conflicts that actually shape the design