Merge pull request #110 from madhavcodes25/feature/matrix-calculator

Added Matrix Calculator Issue#104

Author: steam-bell-92

math/Matrix-Calculator/Matrix-Calculator.py

@@ -0,0 +1,106 @@
+print("🎮 Matrix Calculator 🎮")
+print("Easily add, subtract, multiply, or transpose matrices! \n")
+
+while True:
+    choice = input("🎯 Choose Operation: Add (A), Subtract (S), Multiply (M), Transpose (T), or Quit (Q): ").upper()
+
+    if choice in ["Q", "QUIT"]:
+        break
+    
+    elif choice in ["A", "S"]:
+        try:
+            rows = int(input("➡️ Enter number of rows: "))
+            cols = int(input("➡️ Enter number of columns: "))
+
+            print(f"\n📝 Enter elements for Matrix 1 ({rows}x{cols}) row by row (space separated):")
+            matrix1 = []
+            for _ in range(rows):
+                row = list(map(float, input("🔢 ").split()))
+                matrix1.append(row)
+
+            print(f"\n📝 Enter elements for Matrix 2 ({rows}x{cols}) row by row (space separated):")
+            matrix2 = []
+            for _ in range(rows):
+                row = list(map(float, input("🔢 ").split()))
+                matrix2.append(row)
+
+            print("\n📊 Resulting Matrix:")
+            for i in range(rows):
+                result_row = []
+                for j in range(cols):
+                    if choice == "A":
+                        val = matrix1[i][j] + matrix2[i][j]
+                    else:
+                        val = matrix1[i][j] - matrix2[i][j]
+                    result_row.append(str(val))
+                print("\t".join(result_row))
+                
+            print("✅ Calculation successful!\n")
+            
+        except Exception:
+            print("❌ Error: Please enter valid numbers or ensure dimensions match.\n")
+
+    elif choice == "M":
+        try:
+            r1 = int(input("➡️ Enter number of rows for Matrix 1: "))
+            c1 = int(input("➡️ Enter number of columns for Matrix 1: "))
+            
+            print(f"\n📝 Enter elements for Matrix 1 ({r1}x{c1}) row by row (space separated):")
+            matrix1 = []
+            for _ in range(r1):
+                row = list(map(float, input("🔢 ").split()))
+                matrix1.append(row)
+                
+            r2 = int(input(f"\n➡️ Enter number of rows for Matrix 2 (MUST be {c1}): "))
+            c2 = int(input("➡️ Enter number of columns for Matrix 2: "))
+            
+            if c1 != r2:
+                print("❌ Error: Matrix 1 columns must equal Matrix 2 rows for multiplication.\n")
+                continue
+                
+            print(f"\n📝 Enter elements for Matrix 2 ({r2}x{c2}) row by row (space separated):")
+            matrix2 = []
+            for _ in range(r2):
+                row = list(map(float, input("🔢 ").split()))
+                matrix2.append(row)
+                
+            print("\n📊 Resulting Matrix:")
+            for i in range(r1):
+                result_row = []
+                for j in range(c2):
+                    val = 0
+                    for k in range(c1):
+                        val += matrix1[i][k] * matrix2[k][j]
+                    result_row.append(str(val))
+                print("\t".join(result_row))
+            print("✅ Calculation successful!\n")
+
+        except Exception:
+            print("❌ Error: Please enter valid numbers or ensure dimensions match.\n")
+
+    elif choice == "T":
+        try:
+            r = int(input("➡️ Enter number of rows: "))
+            c = int(input("➡️ Enter number of columns: "))
+            
+            print(f"\n📝 Enter elements for Matrix ({r}x{c}) row by row (space separated):")
+            matrix = []
+            for _ in range(r):
+                row = list(map(float, input("🔢 ").split()))
+                matrix.append(row)
+                
+            print("\n📊 Transposed Matrix:")
+            for j in range(c):
+                result_row = []
+                for i in range(r):
+                    result_row.append(str(matrix[i][j]))
+                print("\t".join(result_row))
+            print("✅ Calculation successful!\n")
+
+        except Exception:
+            print("❌ Error: Please enter valid numbers.\n")
+            
+    else:
+        print("⚠️ Invalid input\n")
+
+print("\n👋 Thanks for using Matrix Calculator! Goodbye!\n")