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mathgenerator/funcs/__init__.py

@@ -71,3 +71,8 @@ from .multiplyComplexNumbersFunc import *
 from .geomProgrFunc import *
 from .geometricMeanFunc import *
 from .harmonicMeanFunc import *
+from .euclidianNormFunc import *
+from .angleBtwVectorsFunc import *
+from .absoluteDifferenceFunc import *
+from .vectorDotFunc import *
+from .binary2sComplement import *

mathgenerator/funcs/absoluteDifferenceFunc.py

@@ -0,0 +1,10 @@
+from  .__init__ import *
+
+def absoluteDifferenceFunc (maxA = 100, maxB = 100):
+	a = random.randint(-1*maxA, maxA)
+	b = random.randint(-1*maxB, maxB)
+	absDiff = abs(a-b)
+
+	problem = "Absolute difference between numbers " + str(a) + " and " + str(b) + " = "
+	solution = absDiff
+	return problem, solution

mathgenerator/funcs/angleBtwVectorsFunc.py

@@ -0,0 +1,16 @@
+from .euclidianNormFunc import euclidianNormFunc
+import math
+from .__init__ import *
+
+
+def angleBtwVectorsFunc(v1: list, v2: list):
+    sum = 0
+    for i in v1:
+        for j in v2:
+            sum += i * j
+
+    mags = euclidianNormFunc(v1) * euclidianNormFunc(v2)
+    problem = f"angle between the vectors {v1} and {v2} is:"
+    solution = math.acos(sum / mags)
+    # would return the answer in radians
+    return problem, solution

mathgenerator/funcs/binary2sComplement.py

@@ -0,0 +1,26 @@
+from  .__init__ import *
+
+def binary2sComplementFunc(maxDigits=10):
+    digits = random.randint(1, maxDigits)
+    question = ''.join([str(random.randint(0, 1)) for i in range(digits)]).lstrip('0')
+
+    answer = []
+    for i in question:
+        answer.append(str(int(not bool(int(i)))))
+
+    carry = True
+    j = len(answer) - 1
+    while j >= 0:
+        if answer[j] == '0':
+            answer[j] = '1'
+            carry = False
+            break
+        answer[j] = '0'
+        j -= 1
+
+    if j == 0 and carry == True:
+        answer.insert(0, '1')
+
+    problem = "2's complement of " + question + " ="
+    solution = ''.join(answer).lstrip('0')
+    return problem, solution

mathgenerator/funcs/euclidianNormFunc.py

@@ -0,0 +1,7 @@
+from .__init__ import *
+
+
+def euclidianNormFunc(v1: list):
+    problem = f"Euclidian norm or L2 norm of the vector{v1} is:"
+    solution = sqrt(sum([i**2 for i in v1]))
+    return problem, solution

mathgenerator/funcs/vectorDotFunc.py

@@ -0,0 +1,11 @@
+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