model = {
const input = tf.input({ shape: [2] });
const dense1 = tf.layers.dense({ units: 3, activation: "tanh" }).apply(input);
const dense2 = tf.layers.dense({ units: 3, activation: "tanh" }).apply(dense1);
const output = tf.layers.dense({ units: 1}).apply(dense2);
const model = tf.model({ inputs: input, outputs: output });
model.compile({ loss: "meanSquaredError", optimizer: "sgd" });
return model;
}