Function meanSquaredLogErrorFor1DArray

tfjs-layers/src/losses_test.ts:78–88

(x: number[], y: number[])

describeMathCPUAndGPU('meanSquaredLogarithmicError', () => {
  function meanSquaredLogErrorFor1DArray(x: number[], y: number[]): number {
    const calcLog = (val: number) => Math.log(Math.max(val, epsilon()) + 1);
    const logX = x.map(calcLog);
    const logY = y.map(calcLog);
    let acc = 0.0;
    for (let i = 0; i < x.length; i++) {
      const diff = logX[i] - logY[i];
      acc += diff * diff;
    }
    return acc / x.length;
  }

  it('2D', () => {
    const yTrue = tfc.zeros([2, 2]);