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Question - 1

What does Matlab stand for?

  • Matrix Laboratory
  • Math Laboratory
  • Mathworks
  • Matrix library
Solutions
Question - 2

In Matlab, (.*) is used for ___.

  • Getting all element from an Array
  • multiplying two Arrays
  • Adding two Arrays
  • None of these
Solutions
Question - 3

Which of the following command lists the current variable in Matlab?

  • Pwd
  • Who
  • Ckd
  • None of these
Solutions
Question - 4

The output of cat=['a' 'b'] is

  • ab
  • a&b
  • a,b
  • AB
Solutions
Question - 5

What does num2str command work?

  • converts a number to string
  • converts string to a number
  • concatenates numbers and strings
  • concatenates strings
Solutions
Question - 6

Logical Operator any is used in MATLAB for what operation?

  • True if all element are non-zero
  • True if all element are zero
  • True if any element is non-zero
  • True if any element is zero
Solutions
Question - 7

Which Matlab command allows you to evaluate a polynomial function by supplying the polynomial coefficients and the independent value(s)?

  • polyval
  • eval
  • polyfit
  • None of these
Solutions
Question - 8

Which of the following Matlab command clears all data and variables stored in memory?

  • Delete
  • clear
  • clc
  • None of these
Solutions
Question - 9

Determine the value of a y=[0 2 0 -2 0]; a=trapz (x,y);

  • 0
  • 1
  • 2
  • 3
Solutions
Question - 10

The standard inputs for the loglog command are

  • (x,y)
  • (log(x), y)
  • (log(x),log(y))
  • (log10(x),log10(y))
Solutions
Question - 11

Which is not a pre-defined variable in Matlab.

  • inf
  • pi
  • i
  • ink
Solutions
Question - 12

The MATLAB command shown below will assign what value to the variablec? c = sin(pi)

  • Some number that is not 0,-1,1
  • 0
  • 1
  • -1
Solutions
Question - 13

Which of the following will correctly define x, y, and z as symbols?

  • sym (x, y, z)
  • syms x y z
  • syms x, y, z
  • sym x y z
Solutions
Question - 14

In Matlab, this keyword immediately moves to the next iteration of the loop

  • update
  • break
  • continue
  • goto
Solutions
Question - 15

Characters in Matlab are represented in their value in memory

  • ASCII
  • decimal
  • Hexadecimal
  • Octal
Solutions
Question - 16

What does Matlab stand for?

  • Math Laboratory
  • Matrix Laboratory
  • Mathworks
  • None of these
Solutions
Question - 17

What symbol precedes all comments in Matlab?

  • %
  • @
  • $
  • None of these
Solutions
Question - 18

Which Keys combition used to stop execution of a command in MATLAB?

  • ctrl+c
  • ctrl+s
  • ctrl+z
  • ctrl+e
Solutions
Question - 19

What is the return type of angles function in MATLAB ??

  • Degrees
  • Radians
  • Radians & Degrees
  • None of these
Solutions
Question - 20

Index of an Array in Matlab starts with __.?

  • 0
  • 1
  • Depends On type of array
  • -1
Solutions
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