perceptron.dot

digraph G {
    label="Perceptron";
    rankdir = LR;
    splines=false;
    edge[style=invis];
    ranksep= 1.4;
    {
    node [shape=circle, color=yellow, style=filled, fillcolor=yellow];
    x0 [label=<x<sub>0</sub>>]; 
    //a02 [label=<a<sub>0</sub><sup>(2)</sup>>]; 
    }
    {
    node [shape=circle, color=chartreuse, style=filled, fillcolor=chartreuse];
    x1 [label=<x<sub>1</sub>>];
    x2 [label=<x<sub>2</sub>>]; 
    x3 [label=<x<sub>3</sub>>];
    }
    {
        node [shape=circle, color=dodgerblue, style=filled, fillcolor=dodgerblue];
        a12 [label=<z>];
        //a22 [label=<a<sub>2</sub><sup>(2)</sup>>];
        //a32 [label=<a<sub>3</sub><sup>(2)</sup>>];

    }
    {
        node [shape=circle, color=coral1, style=filled, fillcolor=coral1];
        O1 [label=<&#375;>];
    }
    {
        rank=same;
        x0->x1->x2->x3;
    }
    {
        rank=same;
        a12;
    }
    {
        rank=same;
        O1;
    }
    
    l0 [shape=plaintext, label="inputs"];
    l0->x0;
    {rank=same; l0;x0};
    l1 [shape=plaintext, label=<w<sup>T</sup>x>];
    {rank=same; l1;a12};
    l3 [shape=plaintext, label=<output<br/>&Phi;(z)>];
    l3->O1;
    {rank=same; l3;O1};
    edge[style=solid, tailport=e, headport=w];
    {x0; x1; x2; x3} -> {a12};
    {x0}->{a12}[label=<w<sub>0</sub>>];
    {x1}->{a12}[label=<w<sub>1</sub>>];
    {x2}->{a12}[label=<w<sub>2</sub>>];
    {x3}->{a12}[label=<w<sub>3</sub>>];
    {a12} -> {O1}[label=<activation<br/>function>];
}