MATLAB Tutorial quiz1

Which symbol is used to initialize a variable?

• =

• ->

• ==

• init

1. Vectors depend upon brackets while scalars don’t.

• True

• False

How many errors will MATLAB show if the following code entered?

A=[1;2;3]; B=[1 2]; C=A.*B;D=C*A;

• 2

• 1

• no error

• 4

What is the symbol used to evaluate the transpose of a vector?

• “ ^ ”

• “ * ”

• “ ‘ ”

• “ ~ ”

Which operator set is used for left and right division respectively?

• .\ and ./

• ./ and .\

• Left division and right division is not available in MATLAB

• / and \

What is the difference between a[] and a{}?

• a[] is for empty cell array while a{} is for empty linear array

• a[] is for empty linear array while a{} is for empty cell array

• No difference

• a[] is an empty row vector while a{} is an empty column vector

1. What is the output of the following code?

A=[1 2 3..

];

• The output is suppressed

• A row vector

• A row vector concatenated with a null matrix

• Error

All matrices are vectors but all vectors are not matrices in MATLAB.

• True

• False