CH 1 - OCTAVE (GUI)

Question 1

is a high-level programming language primarily intended for scientific computing and numerical computation.

Answer 1

GNU OCTAVE

Question 2

Octave is written in __________ using the _________ standard library

Answer 2

C++
C++

Question 3

what is GUI?

Answer 3

GRAPHICAL USER INTERFACE

Question 4

what is CLI?

Answer 4

COMMAND LINE INTERFACE

Question 5

the ____________________ is an interpreted programming language. It is a structured
programming language (similar to C) and supports many common C standard
library functions, and also certain UNIX system calls and functions.

Answer 5

OCTAVE LANGUAGE

Question 6

Octave has been built with MATLAB compatibility in mind, and shares many features with MATLAB:

Answer 6

1.Matrices as fundamental data type.

2.Built-in support for complex numbers.

3.Powerful built-in math functions and extensive function libraries.

4.Extensibility in the form of user-defined functions.

Question 7

Purpose: main window, enters variables, runs programs

Answer 7

COMMAND WINDOW

Question 8

Purpose: contains output from graphic commands

Answer 8

FIGURE WINDOW

Question 9

Purpose: creates and debugs script and function file

Answer 9

EDITOR WINDOW

Question 10

Purpose: Provides help information

Answer 10

HELP WINDOW

Question 11

Purpose: Logs command entered in the Command Window

Answer 11

COMMAND HISTORY WINDOW

Question 12

Purpose: Provides information about the variables that are used

Answer 12

WORKSPACE WINDOW

Question 13

Purpose: Shows the files in the current folder

Answer 13

CURRENT FOLDER WINDOW

Question 14

function for square root

Answer 14

sqrt (x)

Question 15

function for real nth root of a real number x

Answer 15

nthroot (x)

Question 16

function for exponential

Answer 16

exp (x)

Question 17

function for absolute value

Answer 17

abs (x)

Question 18

function for natural logarithm
base e logarithm (ln)

Answer 18

log (x)

Question 19

function for base 10 logarithm

Answer 19

log10 (x)

Question 20

factorial function x!

Answer 20

factorial (x)

Question 21

sine of angle x in radians
sine of angle x in degrees

Answer 21

sin (x)
sind (x)

Question 22

function for rounding to the nearest integer

Answer 22

round (x)

Question 23

function for rounding towards 0

Answer 23

fix (x)

Question 24

function for rounding towards infinity

Answer 24

ceil (x)

Question 25

function for rounding towards minus infinity

Answer 25

floor (x)

Question 26

function for returning the remainder after x is divided by y

Answer 26

rem (x,y)

Question 27

RULES ABOUT VARIABLE NAMES:
- Must begin with a _______

Answer 27

LETTER

Question 28

RULES ABOUT VARIABLE NAMES:
- Can be up to ______ characters long

Answer 28

63

Question 29

RULES ABOUT VARIABLE NAMES:
- Can contain ______, _______, and ________ character

Answer 29

LETTERS, DIGITS, AND UNDERSCORE

Question 30

RULES ABOUT VARIABLE NAMES:
- Cannot contain ________ characters

Answer 30

PUNCTUATION (such as period, comma, semicolon, etc)

Question 31

RULES ABOUT VARIABLE NAMES:
- _________ is case sensitive. It distinguishes between uppercase and lowercase letters

Answer 31

MATLAB

Question 32

RULES ABOUT VARIABLE NAMES:
No _________ are allowed between characters

Answer 32

SPACES

Question 33

RULES ABOUT VARIABLE NAMES:
- Avoid using the name of a ____________ for a variable

Answer 33

BUILT-IN FUNCTION

Question 34

RULES ABOUT VARIABLE NAMES:
- Avoid using the name of a ____________ for a variable

Answer 34

BUILT-IN FUNCTION