Coding 1 Final MATLAB Flashcards
(34 cards)
What should variables start with?
A letter of the alphabet, and then they can have letters, digits, and underscores.
What does clear do?
Removes all variables in the workspace
Are variable names case-sensitive
Yes
What does clc do?
clears command window display
what does who do
displays a list of all variables stored
what does whos do?
Provides a more detailed list of the variables, including the size and data type of each variable.
what does abs() do?
finds the absolute value of a number in the parenthesis.
what does nthroot(X,N) do?
Finds the nth root of x
What does MATLAB stand for?
Matrix Laboratory
What is a colon operator?
first:step:last
what does 5:3:14 return?
[5 8 11 14]
what does 1:4 return?
[1 2 3 4]
what does 4:-1:1 return?
[4 3 2 1]
what does Linspace(x,y,n) do?
Creates a linearly spaced vector with n values in the inclusive range from x to y
What does Linspace(4,7,3) return?
[4 5.5 7]
what is the default number of points for linspace if n is omited
100 points
What does Logspace(x,y,n) do?
Creates a logarithmically spaced vector with n values in the inclusive range from 10^x to 10^y
what does logspace(2,4,3) return?
[100 1000 10000]
what is the default number of points if n is omitted in logspace?
50 points
What is concatenation?
Creating vectors by joining together existing vectors or adding elements to existing vectors
what is an algorithm
A sequence of steps needed to solve a problem.
What is a modular program
Multiple functions that implement each step.
Where do inputs come from
external device, the user
Where does the output go?
To an external file, and to the screen
