how can i change svm classify output?

hi we know the output of svmclassify function is 1 or -1 but i need to have decimal value for some processing is there any way to change the output of svmclassify from -1 and 1 to decimal value? please help me

[Walter Roberson]

Different decimal values for different locations? Or something like 0.2 for each -1 and 0.8 for each +1 ?