From ab960534f9de120c21282eb657aa47a97052e291 Mon Sep 17 00:00:00 2001
From: midhun varman <midhunvarman2010@gmail.com>
Date: Mon, 19 Oct 2020 13:04:44 +0530
Subject: [PATCH] added vector dot product

---
 mathgenerator/funcs/__init__.py      |  1 +
 mathgenerator/funcs/vectorDotFunc.py | 13 +++++++++++++
 mathgenerator/mathgen.py             |  1 +
 3 files changed, 15 insertions(+)
 create mode 100644 mathgenerator/funcs/vectorDotFunc.py

diff --git a/mathgenerator/funcs/__init__.py b/mathgenerator/funcs/__init__.py
index efb1ce7..99ab6b4 100644
--- a/mathgenerator/funcs/__init__.py
+++ b/mathgenerator/funcs/__init__.py
@@ -71,3 +71,4 @@ from .multiplyComplexNumbersFunc import *
 from .geomProgrFunc import *
 from .geometricMeanFunc import *
 from .harmonicMeanFunc import *
+from .vectorDotFunc import *
diff --git a/mathgenerator/funcs/vectorDotFunc.py b/mathgenerator/funcs/vectorDotFunc.py
new file mode 100644
index 0000000..a15cd75
--- /dev/null
+++ b/mathgenerator/funcs/vectorDotFunc.py
@@ -0,0 +1,13 @@
+from .__init__ import *
+
+
+def vectorDotFunc(minVal=-20, maxVal=20):
+     a = [random.randint(minVal, maxVal) for i in range(3)]
+     b = [random.randint(minVal, maxVal) for i in range(3)]
+     c = [a[0] * b[0],
+         a[1] * b[1] ,
+         a[2] * b[2] ]
+
+     problem = str(a) + " . " + str(b) + " = "
+     solution = str(c)
+     return problem, solution
diff --git a/mathgenerator/mathgen.py b/mathgenerator/mathgen.py
index 0e813a6..35c657f 100644
--- a/mathgenerator/mathgen.py
+++ b/mathgenerator/mathgen.py
@@ -156,3 +156,4 @@ complexNumMultiply = Generator("Multiplication of 2 complex numbers", 64, "(x +
 geometricprogression=Generator("Geometric Progression", 65, "Initial value,Common Ratio,nth Term,Sum till nth term =", "a,r,ar^n-1,sum(ar^n-1", geomProgrFunc)
 geometricMean=Generator("Geometric Mean of N Numbers",66,"Geometric mean of n numbers A1 , A2 , ... , An = ","(A1*A2*...An)^(1/n) = ans",geometricMeanFunc)
 harmonicMean=Generator("Harmonic Mean of N Numbers",67,"Harmonic mean of n numbers A1 , A2 , ... , An = "," n/((1/A1) + (1/A2) + ... + (1/An)) = ans",harmonicMeanFunc)
+vectorDot = Generator("Dot Product of 2 Vectors",68, "a . b = ", "c", vectorDotFunc)