chapter 9

Question 1

+

Answer 1

used to combine/append elements/arrays, if var being added is of different dimensions then the dimensions are altered

Question 2

blanks operator

Answer 2

adds spaces

Question 3

join operator

Answer 3

combines strings together as array

Question 4

strcat operator

Answer 4

horizontally links two arrays, if the class type of the inputs are different then it defaults to a string array

Question 5

sprintf(formSpec, number)

Answer 5

returns string scalar

Question 6

compose(formatSpec, number)

Answer 6

returns multiple pieces of formatted text as a string array and escape characters translate

Question 7

lower(string)

Answer 7

converts string to all lower case

Question 8

upper(string)

Answer 8

converts string to all upper case

Question 9

num2str(numArray, precision#)

Answer 9

returns char vector specification with max numbers

Question 10

mat2str(inputMat, precision#)

Answer 10

converts input matrix into character vector with max numbers

Question 11

str2double(text)

Answer 11

converts text into double precision (68 bit) number array

Question 12

str2num(input)

Answer 12

converts num into ascII number

Question 13

*

Answer 13

separates format specs

Question 14

sscanf(inputText, formatSpec)

Answer 14

converts text to array based on format specs, best for conversion

Question 15

isstring(input)

Answer 15

returns 1 if input is string

Question 16

isStringScalar(input)

Answer 16

returns 1 if input is string scalar

Question 17

ischar(input)

Answer 17

returns 1 if input is character

Question 18

isstrprop(string, catagory)

Answer 18

1 if element fits category

categories like alphabet, upper/lowercase, etc

Question 19

strjust

Answer 19

returns center justified string

Question 20

strrep

Answer 20

finds substring within string and replaces it

Question 21

strip(array)

Answer 21

removes consecutive whitespace char from beginning and end of array

Question 22

delimeters

Answer 22

characters interpreted as separating substrings

Question 23

split(strIn, delimiter)

Answer 23

outputs array of elements split by delimiter, if no delimiter then just spaces

Question 24

splitlines(strIn, delimieter)

Answer 24

creates new line for every occurrence of delimiter