Fprintf me 352 fall 2008 page 1 6 using fprintf in matlab the fprintf statement provides control the way that numeric and string data are printed to the command window or a le.
What does fprintf do in matlab.
For the f e and e operators the precision indicates how many digits to display to the right of the decimal point.
If you use fprintf to convert a matlab double into an integer and the double contains a value that cannot be represented as an integer for example it contains a fraction matlab ignores the specified conversion and outputs the value in.
If formatspec includes literal text representing escape characters such as n then fprintf translates the escape characters.
For example a function that compute pi should never use fprintf.
Learn more about fprintf string print textscan display.
Disp x displays the value of variable x without printing the variable name another way to display a variable is to type its name which displays a leading x before the value.
Formatspec also can include ordinary text and special characters.
Fprintf is the preferred method when to print information.
Instead such a.
If a variable contains an empty array disp returns without displaying anything.
The precision field in a formatting operator is a nonnegative integer that immediately follows a period.
The fprintf function behaves like its ansi c language namesake with these exceptions and extensions.
The fprintf command displays formatted text centered on the icon and can display formatspec along with the contents of var.
How to print the string value using fprintf.
Formatspec can be a character vector in single quotes or starting in r2016b a string scalar.
If you use fprintf to convert a matlab double into an integer and the double contains a value that cannot be represented as an integer for example it contains a fraction matlab ignores the specified conversion and outputs the value in exponential format.
Format of the output fields specified using formatting operators.
The sprintf function is similar to fprintf but fprintf prints to a file or to the command window.
Do not use this option except for quick debugging.
Format specifiers for the reading functions sscanf and fscanf differ from the formats for the writing functions sprintf and fprintf.
For example in the operator 7 3f the precision is 3 for the g operator the precision indicates the number of significant digits to display.
The fprintf function behaves like its ansi c language namesake with these exceptions and extensions.