sprintf is vectorized for the case when input matrix A is nonscalar. The underlying C data type is a double rather than an unsigned integer.įor example, to print a double-precision value in hexadecimal, use a formatĢ. The underlying C data type is a float rather than an unsigned integer. The following nonstandard subtype specifiers are supported for conversion Remarks The sprintf function behaves like its ANSI C language sprintf() namesake with certain exceptions and extensions. Returns an error message string errmsg if an error occurred or an empty matrix if an error did not occur. It can contain ordinary alphanumeric characters along with escape characters, conversion specifiers, and other characters, organized as shown below:įor more information see "Tables" and "References." = sprintf( format,A.) The format string specifies notation, alignment, significant digits, field width, and other aspects of output format. sprintf is the same as fprintf except that it returns the data in a MATLAB string variable rather than writing it to a file. This is scrambled.Sprintf (MATLAB Function Reference) MATLAB Function Referenceįormats the data in matrix A (and in any additional matrix arguments) under control of the specified format string, and returns it in the MATLAB string variable s. We see that it read the 2 values in the first column and then the 2 values in the second column and printed them in the first row. % Since there are 4 elements in each row, we try 4 %d format strings. % This can be fixed by putting the transpose, S' in the fprintf statement: The printed matrix is the transpose of matrix S. We see that it read the 3 values in the first column, but printed them in the first row. % Since there are 3 elements in each row, we try 3 %d format strings. Consider this example of a square matrix.: This can result in printing the transpose of a square matrix. If you have more than one format string, it will print as many values as there are format strings, then cycle back to the beginning of the format string to continue printing the remaining characters. If your message has a single format string, they will be printed as a column. However, fprintf() can print all of the values with a single instruction. With this approach, you would only use the \n for the last element of a row. One way to print the values of a matrix is to use nested for loops and print one value at a time. Since both the mean and the standard deviation are between 1 and 10, we want 3 significant digits to get 2 decimal places. Hint: num2str() lets you specify the number of significant digits, as opposed to the number of decimal places. This video explains how to display a number with the disp() command:Ĭreating formatted outputs using the disp() command in MATLAB. No credit if you you just type in the values. Make a similar output using disp( ) and num2str( ) functions with a single disp() function. No credit if you you just type in the values.Ĥ. You need to use 2 proper %f format strings. Hint: a number like 1.34 needs 4 characters, so use %4.2f Where x.xx and y.yy will be replaced with your values. Display the mean and standard deviation values to the screen using fprint( ) with a %f format code (with 2 decimal places) to create a string like: Compute the mean and standard deviation of the vector.ģ. X = randi(6,1,36) % Create a vector with uniform random integers between 0 and 6.Ģ.
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