subf

Arguments

"a","b","c"

strings

Description

returns the character string c="a-b" Trivial simplifications such as subf("0","a") or subf("1","2") are performed.

Examples

subf('0','a')
subf('2','1')
subf('a','0')

See Also

• mulf — symbolic multiplication
• ldivf — left symbolic division
• rdivf — right symbolic division
• eval — evaluation of a matrix of strings
• evstr — evaluation of expressions