How to suppress trailing zeros in print statements

I would like to suppress trailing zeros in a print statement. For example, I would like this:

x = { 1.2345, 5.2, 9.86 };
print x;

to return:

    1.2345 
       5.2 
      9.86

1 Answer

0
accepted

You can accomplish this with the format statement. You need to pass it the flag /rz. The 'r' tells GAUSS to right-justify the print statement and the 'z' tells GAUSS to display whichever is more compact, decimal or scientific notation and to suppress trailing zeros.

format /rz;
x = { 1.2345, 5.2, 9.86 };
print x;

will return the desired output:

    1.2345 
       5.2 
      9.86

The format statement can also take inputs for the width which to print each number and the number of digits to print. For example:

format /rz 10,2;
x = { 1.2345, 5.2, 9.86 };
print x;

will display up to 2 digits and the final digit will be 10 spaces to the right of the left margin:


       1.2 
       5.2 
       9.9 

Whereas:

format /rz 8,3;
x = { 1.2345, 5.2, 9.86 };
print x;

will display up to 3 digits with the final digit 8 spaces from the left margin:

    1.23 
     5.2 
    9.86

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