Octave constants
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| realmax | Maximum double value that can be represented in octave in double format. | |
| realmin | Minimum double value that can be represented in octave in double format. | |
| pi | Value of pi as accurate as possibly can be stored in a double variable | |
| e | Value of e as accurate as possibly can be stored in a double variable | |
| i,I,j,J | All four represent square root of -1, imaginary constant | |
| NA | Same as Not Available('NA') data type | |
| true | Logical constant representing true values. Numerically it evaluates to 1. | |
| false | Logical constant representing false values. Numerically it evaluates to 0. |
