weights_network.gv

# License: CC0 https://creativecommons.org/publicdomain/zero/1.0/
# Output produced using `dot -Tpng -O weights_network.gv`

digraph G {
        rankdir=LR
        splines=line

        subgraph cluster_0 {
                color=white;
                node [style=solid, color=blue4, shape=circle];
                a11 [label=<a<sup>1</sup><sub>1</sub>>];
                a12 [label=<a<sup>1</sup><sub>2</sub>>];
                label = "Layer 1 (input layer)";
        }

        subgraph cluster_1 {
                color=white;
                node [style=solid, color=red4, shape=circle];
                a21 [label=<a<sup>2</sup><sub>1</sub>>];
                a22 [label=<a<sup>2</sup><sub>2</sub>>];
                a23 [label=<a<sup>2</sup><sub>3</sub>>];
                label = "Layer 2 (hidden layer)";
        }

        subgraph cluster_2 {
                color=white;
                node [style=solid, color=green4, shape=circle];
                a31 [label=<a<sup>3</sup><sub>1</sub>>];
                a32 [label=<a<sup>3</sup><sub>2</sub>>];
                label = "Layer 3 (output layer)";
        }

        subgraph cluster_3 {
                color=white;
                node [style=solid, color=green4, shape=circle];
                z21 [label=<z<sup>2</sup><sub>1</sub>>];
                z22 [label=<z<sup>2</sup><sub>2</sub>>];
                z23 [label=<z<sup>2</sup><sub>3</sub>>];
        }

        subgraph cluster_4 {
                color=white;
                node [style=solid, color=red4, shape=circle];
                z31 [label=<z<sup>3</sup><sub>1</sub>>];
                z32 [label=<z<sup>3</sup><sub>2</sub>>];
        }

        subgraph cluster_5 {
                color=white;
                node [style=solid, color=blue4, shape=circle];
                w211 [label=<w<sup>2</sup><sub>1←1</sub>>];
                w212 [label=<w<sup>2</sup><sub>1←2</sub>>];
        }

        subgraph cluster_6 {
                color=white;
                node [style=solid, color=blue4, shape=circle];
                w221 [label=<w<sup>2</sup><sub>2←1</sub>>];
                w222 [label=<w<sup>2</sup><sub>2←2</sub>>];
        }

        subgraph cluster_7 {
                color=white;
                node [style=solid, color=blue4, shape=circle];
                w231 [label=<w<sup>2</sup><sub>3←1</sub>>];
                w232 [label=<w<sup>2</sup><sub>3←2</sub>>];
        }

        subgraph cluster_8 {
                color=white;
                node [style=solid, color=blue4, shape=circle];
                w311 [label=<w<sup>3</sup><sub>1←1</sub>>];
                w312 [label=<w<sup>3</sup><sub>1←2</sub>>];
                w313 [label=<w<sup>3</sup><sub>1←3</sub>>];
        }

        subgraph cluster_9 {
                color=white;
                node [style=solid, color=blue4, shape=circle];
                w321 [label=<w<sup>3</sup><sub>2←1</sub>>];
                w322 [label=<w<sup>3</sup><sub>2←2</sub>>];
                w323 [label=<w<sup>3</sup><sub>2←3</sub>>];
        }

        w211 -> z21;
        w212 -> z21;

        w221 -> z22;
        w222 -> z22;

        w231 -> z23;
        w232 -> z23;

        w311 -> z31;
        w312 -> z31;
        w313 -> z31;

        w321 -> z32;
        w322 -> z32;
        w323 -> z32;

        b21 [label=<b<sup>2</sup><sub>1</sub>>];
        b21 -> z21;
        b22 [label=<b<sup>2</sup><sub>2</sub>>];
        b22 -> z22;
        b23 [label=<b<sup>2</sup><sub>3</sub>>];
        b23 -> z23;

        b31 [label=<b<sup>3</sup><sub>1</sub>>];
        b31 -> z31;
        b32 [label=<b<sup>3</sup><sub>2</sub>>];
        b32 -> z32;

        a11 -> z21;
        a11 -> z22;
        a11 -> z23;

        z21 -> a21;
        z22 -> a22;
        z23 -> a23;

        a12 -> z21;
        a12 -> z22;
        a12 -> z23;

        a21 -> z31;
        a21 -> z32;

        a22 -> z31;
        a22 -> z32;

        a23 -> z31;
        a23 -> z32;

        z31 -> a31;
        z32 -> a32;
}