Move files to subject folders

mathgenerator/funcs/geometry/angle_btw_vectors.py

@@ -0,0 +1,31 @@
+from .__init__ import *
+import math
+
+
+def angleBtwVectorsFunc(maxEltAmt=20):
+    s = 0
+    v1 = [
+        round(random.uniform(0, 1000), 2)
+        for i in range(random.randint(2, maxEltAmt))
+    ]
+    v2 = [round(random.uniform(0, 1000), 2) for i in v1]
+    for i in range(len(v1)):
+        s += v1[i] * v2[i]
+
+    mags = math.sqrt(sum([i**2
+                          for i in v1])) * math.sqrt(sum([i**2 for i in v2]))
+    problem = f"angle between the vectors {v1} and {v2} is:"
+    solution = ''
+    try:
+        solution = str(round(math.acos(s / mags), 2)) + " radians"
+    except ValueError:
+        print('angleBtwVectorsFunc has some issues with math module, line 16')
+        solution = 'NaN'
+    # would return the answer in radians
+    return problem, solution
+
+
+angle_btw_vectors = Generator(
+    "Angle between 2 vectors", 70,
+    "Angle Between 2 vectors V1=[v11, v12, ..., v1n] and V2=[v21, v22, ....., v2n]",
+    "V1.V2 / (euclidNorm(V1)*euclidNorm(V2))", angleBtwVectorsFunc)