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See the recommended documentation of this function

Scilab help >> Files : Input/Output functions > fprintfMat


Write a matrix in a file.

Calling Sequence

fprintfMat(file,M [,format,text])



a string, the pathname of the file to be written.


A matrix of real numbers.


a character string giving the format. This is an optional parameter, the default value is "%lf".

supported format: %[width].[precision]type or %type

width: Optional number that specifies the minimum number of characters output.

precision: Optional number that specifies the maximum number of characters printed for all or part of the output field, or the minimum number of digits printed for integer values.

type: lf, lg, d, i, e, f, g


a string matrix giving non numerical comments stored at the beginning of the file.


The fprintfMat function writes a matrix in a formated file. Each row of the matrix give a line in the file. If text is given then the elements of text are inserted columnwise at the beginning of the file one element per line.


n = 50;
a = rand(n, n, "u");
fprintfMat(TMPDIR + "/Mat", a, "%5.2f");
a1 = fscanfMat(TMPDIR + '/Mat');

See Also

  • scanf_conversion — scanf, sscanf, fscanf conversion specifications
  • mclose — close an opened file
  • meof — check if end of file has been reached
  • mfprintf — converts, formats, and writes data to a file
  • mfscanf — reads input from the standard input (interface to the C scanf function)
  • fscanfMat — Reads a Matrix from a text file.
  • mget — reads byte or word in a given binary format and convert to double
  • mgetstr — read a character string from a file
  • mopen — open a file
  • mprintf — converts, formats, and writes data to the main scilab window
  • mput — writes byte or word in a given binary format
  • mputstr — write a character string in a file
  • mscanf
  • mseek — set current position in binary file.
  • mtell — binary file management
  • mdelete — Delete file(s)
<< fprintf Files : Input/Output functions fscanf >>

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Last updated:
Thu May 12 11:44:25 CEST 2011