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fprintfMat

writes a matrix in a file

Syntax

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

Arguments

file

a string, the pathname of the file to be written

M

a matrix of real numbers

format

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

Supported format: %[width].[precision]type or %type, where:

width: an optional number that specifies the minimum number of characters output;

precision: an 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 (see scanf_conversion for details).

text

a row (column) vector of strings giving non numerical comments stored at the beginning of the file.

Description

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

Examples

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

// Lets we create a file Mat1 and insert a comment into it
some_comment = ["This is a comment","This the second line of the comment.","This is the third line of the comment."];
fprintfMat(TMPDIR + "/Mat1", a, "%5.2f",some_comment);

See also


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