{"id":5310,"date":"2023-01-05T12:25:50","date_gmt":"2023-01-05T04:25:50","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5310"},"modified":"2023-01-05T12:25:50","modified_gmt":"2023-01-05T04:25:50","slug":"%e5%ad%b8%e7%bf%92typescript%e4%b8%ad%e7%9a%84%e6%95%b8%e7%b5%84%e6%b1%82%e5%b9%b3%e6%bb%91%e7%a7%bb%e5%8b%95%e5%b9%b3%e5%9d%87arraysimplemovingaverage","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92typescript%e4%b8%ad%e7%9a%84%e6%95%b8%e7%b5%84%e6%b1%82%e5%b9%b3%e6%bb%91%e7%a7%bb%e5%8b%95%e5%b9%b3%e5%9d%87arraysimplemovingaverage\/","title":{"rendered":"\u5b78\u7fd2TypeScript\u4e2d\u7684\u6578\u7d44\u6c42\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747(ArraySimpleMovingAverage)"},"content":{"rendered":"

<\/p>\n

\u4f7f\u7528 TypeScript \u6c42\u6578\u7d44\u7684\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747 (Array Simple Moving Average)<\/h1>\n

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\u4ec0\u9ebc\u662f\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747\uff1f<\/h2>\n

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\u5982\u4f55\u4f7f\u7528 TypeScript \u8a08\u7b97\u6578\u7d44\u7684\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747\uff1f<\/h2>\n

\u4f7f\u7528 TypeScript \u8a08\u7b97\u6578\u7d44\u7684\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747\uff0c\u53ea\u9700\u8981\u7c21\u55ae\u7684\u7a0b\u5f0f\u78bc\u5373\u53ef\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7a0b\u5f0f\u78bc\u793a\u4f8b\uff1a<\/p>\n

\n\/\/ \u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\uff0c\u8a08\u7b97\u6578\u7d44\u7684\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747\nfunction sma(arr: number[], period: number): number[] {\n    \/\/ \u5b9a\u7fa9\u4e00\u500b\u7a7a\u7684\u6578\u7d44\uff0c\u7528\u65bc\u5b58\u5132\u8a08\u7b97\u7d50\u679c\n    let result: number[] = [];\n    \/\/ \u5faa\u74b0\u904d\u6b77\u6578\u7d44\n    for (let i = 0; i < arr.length; i++) {\n        \/\/ \u8a08\u7b97\u7576\u524d\u6642\u9593\u6bb5\u7684\u8cc7\u6599\u7e3d\u548c\n        let sum = 0;\n        for (let j = 0; j < period; j++) {\n            if (i - j >= 0) {\n                sum += arr[i - j];\n            }\n        }\n        \/\/ \u8a08\u7b97\u7576\u524d\u6642\u9593\u6bb5\u7684\u5e73\u5747\u503c\n        let avg = sum \/ period;\n        \/\/ \u5c07\u8a08\u7b97\u7d50\u679c\u5b58\u5165\u7d50\u679c\u6578\u7d44\n        result.push(avg);\n    }\n    \/\/ \u8fd4\u56de\u8a08\u7b97\u7d50\u679c\n    return result;\n}\n<\/pre>\n
\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578\uff0c\u7528\u65bc\u8a08\u7b97\u6578\u7d44\u7684\u5e73\u6ed1\u79fb\u52d5\u5e73\u5747\u3002\u8a72\u51fd\u6578\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff1aarr<\/code>\uff0c\u8868\u793a\u8981\u8a08\u7b97\u7684\u6578\u7d44\uff1bperiod<\/code>\uff0c\u8868\u793a\u8981\u8a08\u7b97\u7684\u6642\u9593\u6bb5\u3002<\/p>\n
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\u7d50\u8ad6<\/h2>\n
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