From 238afebb4cd03b587568c311c7aa15c515d4a556 Mon Sep 17 00:00:00 2001
From: obligar <45253487+obligar@users.noreply.github.com>
Date: Sun, 29 Jan 2023 22:42:08 +0300
Subject: [PATCH] =?UTF-8?q?Matrisin=20Determinant=C4=B1n=C4=B1=20Alan=20Ko?=
 =?UTF-8?q?d?=
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Python3.x dilinde çözüm
---
 MatrisinDeterminanti.py | 64 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 MatrisinDeterminanti.py

diff --git a/MatrisinDeterminanti.py b/MatrisinDeterminanti.py
new file mode 100644
index 00000000..fedfa9cf
--- /dev/null
+++ b/MatrisinDeterminanti.py
@@ -0,0 +1,64 @@
+# Matrisin Determinantı (Matrix Determinant)
+
+def determinant(matrix):
+    sonuc = 0
+    
+    if len(matrix) == 1:
+        sonuc = matrix[0][0]
+        return sonuc
+    
+    elif len(matrix) == 2:
+        sonuc = (matrix[0][0] * matrix[1][1]) - (matrix[0][1] * matrix[1][0])
+        return sonuc
+    
+    for i in range(len(matrix[0])):
+        gecici = [[0 for x in range(len(matrix[0]) - 1)] for y in range(len(matrix) - 1)]
+        
+        for j in range(1, len(matrix)):
+            for k in range(len(matrix[0])):
+                if k < i:
+                    gecici[j - 1][k] = matrix[j][k]
+                elif k > i:
+                    gecici[j - 1][k - 1] = matrix[j][k]
+        
+        sonuc += matrix[0][i] * ((-1) ** i) * determinant(gecici)
+    
+    return sonuc
+
+a = [[5, 3, 7], [2, 4, 9], [3, 6, 4]]
+
+print("\nA:")
+for i in range(len(a)):
+    for j in range(len(a[0])):
+        print(a[i][j], end=" ")
+    print()
+print()
+
+for i in range(len(a)):
+    if len(a[i]) != len(a):
+        print("Kare matris değil!..")
+        break
+else:
+    print("det (A) = |A| =", determinant(a))
+
+# OUTPUT:
+A:
+5 3 7 
+2 4 9 
+3 6 4 
+
+det (A) = |A| = -133
+
+# OUTPUT 2:
+a = [[1, 2, 1, 3],
+     [2, 1, 0, 1],
+     [1, 2, 1, 1],
+     [3, 4, 0, 1]]
+
+A:
+ 1  2  1  3 
+ 2  1  0  1 
+ 1  2  1  1 
+ 3  4  0  1 
+
+det (A) = |A| = 10