From 89abc03520945d2ff79abc633c601f241fa10de9 Mon Sep 17 00:00:00 2001
From: inthar-raven <36112167+inthar-raven@users.noreply.github.com>
Date: Mon, 27 Nov 2023 16:21:59 -0500
Subject: [PATCH] Add files via upload

---
 src/analysis.ts | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/analysis.ts b/src/analysis.ts
index 6f82dfb9..d43de5bb 100644
--- a/src/analysis.ts
+++ b/src/analysis.ts
@@ -103,12 +103,12 @@ export function utonalFundamental(frequencies: number[], maxDivisor = 23) {
 }
 
 // Interval matrix a.k.a the modes of a scale
-export function intervalMatrix(scale: Scale) {
+export function intervalMatrix(scale: Scale, startIndex: number) {
   const result = [];
-  const degrees = [...Array(scale.size + 1).keys()];
+  const degrees = [...Array(scale.size + 1 - startIndex).keys()];
   for (let i = 0; i < scale.size; ++i) {
     const mode = scale.rotate(i);
-    result.push(degrees.map((j) => mode.getInterval(j)));
+    result.push(degrees.map((j) => mode.getInterval(j + startIndex)));
   }
   return result;
 }