Easy and Simple Solution

Author: Baharul0111

Problems/1_matrix_times_vector/Easy_and_simple_solution.py

@@ -0,0 +1,13 @@
+def matrix_dot_vector(a: list[list[int|float]], b: list[int|float]) -> list[int|float]:
+  # if the no. of columns of a is not equal to the len of vector b then return -1
+	if len(a[0]) != len(b):
+		return -1
+  # create a vector to store the values
+	result = []
+  # traverse through the matrix and add do the dot product and append to the result vector
+	for i in range(len(a)):
+		val = 0
+		for j in range(len(b)):
+			val += a[i][j] * b[j]
+		result.append(val)
+	return result