( scratchpad ) Command: refresh-all Loading resource:work/perceptron/perceptron.factor ==== perceptron: resource:work/perceptron/perceptron.factor 21: [ perceptron>> ] [ weight>> ] bi [ v. sgn ] dip * ; ^ No word named ``perceptron>>'' found in current vocabulary search path --- Data stack: 3 3 { 0 4 -2 }