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Merge pull request #239 from lonlander/master

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added vector dot product
This commit is contained in:
Luke Weiler
2020-10-19 09:38:03 -04:00
committed by GitHub
parent 3208d6d485 3c84b8bc5d
commit 0e2f0bbe78
3 changed files with 13 additions and 0 deletions
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1
mathgenerator/funcs/__init__.py
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@@ -74,3 +74,4 @@ from .harmonicMeanFunc import *
from .euclidianNormFunc import *
from .angleBtwVectorsFunc import *
from .absoluteDifferenceFunc import *
from .vectorDotFunc import *

11
mathgenerator/funcs/vectorDotFunc.py Normal file
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@@ -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

1
mathgenerator/mathgen.py
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@@ -159,3 +159,4 @@ harmonicMean=Generator("Harmonic Mean of N Numbers",68,"Harmonic mean of n numbe
eucldianNorm=Generator("Euclidian norm or L2 norm of a vector", 69, "Euclidian Norm of a vector V:[v1, v2, ......., vn]", "sqrt(v1^2 + v2^2 ........ +vn^2)", euclidianNormFunc)
angleBtwVectors=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)
absoluteDifference=Generator("Absolute difference between two numbers", 71, "Absolute difference betweeen two numbers a and b =", "|a-b|", absoluteDifferenceFunc)
vectorDot = Generator("Dot Product of 2 Vectors", 72, "a . b = ", "c", vectorDotFunc)