overflow

Avoid overflow in random matrix multiplication in python

Avoid overflow in random matrix multiplication in python Question: I have to multiply many (about 700) matrices with a random element (in the following, I’m using a box distribution) in python: #define parameters μ=2. σ=2. L=700 #define random matrix T=[None]*L product=np.array([[1,0],[0,1]]) for i in range(L): m=np.random.uniform(μ-σ*3**(1/2), μ+σ*3**(1/2)) #box distribution T[i]=np.array([[-1,-m/2],[1,0]]) product=product.dot(T[i]) #multiplying matrices Det=abs(np.linalg.det(product)) print(Det) …

Total answers: 2

How to add scrollbar to Python Folium popup?

How to add scrollbar to Python Folium popup? Question: How do you add a vertical scrollbar to a Python Folium map popup? I have too much information to display that the popup spans the entire screen currently. Asked By: testytesttest || Source Answers: Use an iframe object and add it to the folium.popup object. Heres …

Total answers: 1

tensorflow evalutaion and earlystopping gives infinity overflow error

tensorflow evalutaion and earlystopping gives infinity overflow error Question: I a model as seen in the code below, but when trying to evaluate it or using earlystopping on it it gives me the following error: numdigits = int(np.log10(self.target)) + 1 OverflowError: cannot convert float infinity to integer I must state that without using .EarlyStopping or …

Total answers: 3

OverflowError: (34, 'Result too large')

Why do I get "OverflowError: (34, 'Result too large')" or "OverflowError: (34, 'Numerical result out of range')" from floating-point exponentiation? Question: I tried to use this code to calculate pi to many decimal places: def pi(): pi = 0 for k in range(350): pi += (4./(8.*k+1.) – 2./(8.*k+4.) – 1./(8.*k+5.) – 1./(8.*k+6.)) / 16.**k return …

Total answers: 6

Deal with overflow in exp using numpy

Deal with overflow in exp using numpy Question: Using numpy, I have this definition of a function: def powellBadlyScaled(X): f1 = 10**4 * X[0] * X[1] – 1 f2 = numpy.exp(-numpy.float(X[0])) + numpy.exp(-numpy.float(X[1])) – 1.0001 return f1 + f2 This function is evaluated a huge number of times on an optimization routine. It often raises …

Total answers: 6

Python RuntimeWarning: overflow encountered in long scalars

Python RuntimeWarning: overflow encountered in long scalars Question: I am new to programming. In my latest Python 2.7 project I encountered the following: RuntimeWarning: overflow encountered in long_scalars Could someone please elaborate what this means and what I could do to fix that? The code runs through, but I’m not sure if it is a …

Total answers: 2

Python: OverflowError: math range error

Python: OverflowError: math range error Question: I get a Overflow error when i try this calculation, but i cant figure out why. 1-math.exp(-4*1000000*-0.0641515994108) Asked By: Harpal || Source Answers: The number you’re asking math.exp to calculate has, in decimal, over 110,000 digits. That’s slightly outside of the range of a double, so it causes an …

Total answers: 6