{"record":{"id":"2a509f36306d58ce","repo":"TheAlgorithms/Python","slug":"number-of-steps-must-be-greater-than-zero","errorCode":null,"errorMessage":"Number of steps must be greater than zero","messagePattern":"Number of steps must be greater than zero","errorType":"exception","errorClass":"ZeroDivisionError","httpStatus":null,"severity":"error","filePath":"maths/numerical_analysis/simpson_rule.py","lineNumber":45,"sourceCode":"    >>> round(method_2([0, 1], 10), 10)\n    0.3333333333\n    >>> round(method_2([0, 2], 10), 10)\n    2.6666666667\n    >>> round(method_2([0, 2], 100), 10)\n    2.5621226667\n    >>> round(method_2([0, 1], 1000), 10)\n    0.3320026653\n    >>> round(method_2([0, 2], 0), 10)\n    Traceback (most recent call last):\n        ...\n    ZeroDivisionError: Number of steps must be greater than zero\n    >>> round(method_2([0, 2], -10), 10)\n    Traceback (most recent call last):\n        ...\n    ZeroDivisionError: Number of steps must be greater than zero\n    \"\"\"\n    if steps <= 0:\n        raise ZeroDivisionError(\"Number of steps must be greater than zero\")\n\n    h = (boundary[1] - boundary[0]) / steps\n    a = boundary[0]\n    b = boundary[1]\n    x_i = make_points(a, b, h)\n    y = 0.0\n    y += (h / 3.0) * f(a)\n    cnt = 2\n    for i in x_i:\n        y += (h / 3) * (4 - 2 * (cnt % 2)) * f(i)\n        cnt += 1\n    y += (h / 3.0) * f(b)\n    return y\n\n\ndef make_points(a, b, h):\n    x = a + h\n    while x < (b - h):","sourceCodeStart":27,"sourceCodeEnd":63,"githubUrl":"https://github.com/TheAlgorithms/Python/blob/f5988cc09713315817df6a7e327e258013a94440/maths/numerical_analysis/simpson_rule.py#L27-L63","documentation":"Error \"Number of steps must be greater than zero\" thrown in TheAlgorithms/Python.","triggerScenarios":"Thrown at maths/numerical_analysis/simpson_rule.py:45 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Pass an even number of steps greater than zero for Simpson's rule."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"f5988cc09713315817df6a7e327e258013a94440","analyzedAt":"2026-08-14T17:30:07.041Z","schemaVersion":2},"datasetVersion":"2026-08-15T22:17:37.221Z"}