Type conversion functions in MATLAB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to convert the variable x to a double precision number.

MATLAB

y = [1](x);

Drag options to blanks, or click blank then click option'

Alogical

Bint32

Cchar

Ddouble

Attempts:

3 left

💡 Hint

Common Mistakes

Using int32 instead of double changes the type incorrectly.

Using char converts to characters, not numbers.

The double function converts the input to double precision.

2fill in blank

medium

Complete the code to convert the string s to a numeric value.

MATLAB

num = [1](s);

Drag options to blanks, or click blank then click option'

Aint8

Bchar

Cstr2double

Dlogical

Attempts:

3 left

💡 Hint

Common Mistakes

Using char converts to characters, not numbers.

Using int8 converts to integer but not from string.

The str2double function converts a string to a double number.

3fill in blank

hard

Fix the error in the code to convert the number n to a character.

MATLAB

c = [1](n);

Drag options to blanks, or click blank then click option'

Achar

Bstr2double

Cint32

Ddouble

Attempts:

3 left

💡 Hint

Common Mistakes

Using double converts to double precision, not characters.

Using str2double converts strings to numbers, not numbers to characters.

The char function converts numeric values to characters.

4fill in blank

hard

Fill both blanks to convert the variable a to an integer and then to a logical value.

MATLAB

b = [1](a);
c = [2](b);

Drag options to blanks, or click blank then click option'

Aint32

Bdouble

Clogical

Dchar

Attempts:

3 left

💡 Hint

Common Mistakes

Reversing the order of conversions.

Using double instead of int32 for integer conversion.

First convert a to integer with int32, then convert that integer to logical with logical.

5fill in blank

hard

Fill all three blanks to convert the string str to a double, then to an integer, and finally to a character.

MATLAB

num = [1](str);
intVal = [2](num);
charVal = [3](intVal);

Drag options to blanks, or click blank then click option'

Astr2double

Bint32

Cchar

Dlogical

Attempts:

3 left

💡 Hint

Common Mistakes

Skipping the double conversion step.

Using logical instead of char at the end.

Convert string to double with str2double, then to integer with int32, and finally to character with char.