How do you make a Boolean array in Python?
Space & NavigationA boolean array can be created manually by using dtype=bool when creating the array. Values other than 0 , None , False or empty strings are considered True. Alternatively, numpy automatically creates a boolean array when comparisons are made between arrays and scalars or between arrays of the same shape. What is a boolean array
How do you find the slanted part of a triangle?
Space & NavigationTo find the length of the diagonal (or hypotenuse) of a right triangle, substitute the lengths of the two perpendicular sides into the formula a2 + b2 = c2, where a and b are the lengths of the perpendicular sides and c is the length of the hypotenuse. How do you find the slanted side
Why is Earth called spaceship?
Space & NavigationHe coined the phrase “Spaceship Earth” to describe our planet. He felt that all human beings were passengers on Spaceship Earth, and, like the crew of a large ship, people had to work together in order to keep the planet functioning properly. Can Earth be called a spaceship? Earth can be called “spaceship” because it
Where does Jandy Nelson live?
Space & NavigationSan Francisco, CaliforniaSan Francisco, California. Is Jandy Nelson a twin? PW spoke with Nelson from her home in San Francisco. You’re not a twin yourself, are you? No, but I have always wanted to be. I’m just interested in siblings in general, and I’m really close with my own siblings. What happened to Jandy Nelson?
How thick is the layer of dust on the moon?
Space & NavigationThe answer: It would take 1,000 years for a layer of moon dust about a millimeter (0.04 inches) thick to accumulate, the researchers found. What is the layer of dust on the Moon called? Definition: The term regolith refers to any layer of material covering solid rock, which can come in the form of dust,
What does Prime notation mean?
Space & NavigationIn calculus, prime notation (also called Lagrange notation) is a type of notation for derivatives. The “prime” is a single tick mark (a “prime”) placed after the function symbol, f. For example: The function f′(x) is read “f-prime of x.” Higher order derivatives are represented by adding more primes. What is a prime notation? One