Function f

test/compute-engine/derivatives.test.ts:676–676

(x: number)

  describe('Constant Bessel functions', () => {
    it('d/dx J_2(5) = 0 (no variable)', () => {
      const expr = engine.expr(['D', ['BesselJ', 2, 5], 'x']);
      const result = expr.evaluate();
      expect(result.toString()).toMatchInlineSnapshot(`0`);
    });