{"id":45666,"date":"2023-01-24T12:29:43","date_gmt":"2023-05-30T17:57:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45666-2\/"},"modified":"2024-04-29T11:15:34","modified_gmt":"2024-04-29T03:15:34","slug":"45666-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45666-2\/","title":{"rendered":""},"content":{"rendered":"

\u6982\u8981<\/h1>\n

plunker\u3067tensorflow.js\u3084\u3063\u3066\u307f\u305f\u3002
\nxor\u3084\u3063\u3066\u307f\u305f\u3002
\ntf.variable\u3067\u66f8\u3044\u3066\u307f\u305f\u3002
\n\u5b66\u7fd2\u3057\u305fweight\u3001bias\u3092\u53d6\u308a\u51fa\u3057\u305f\u3002
\nrust\u3067\u3001\u63a8\u8ad6\u3057\u3066\u307f\u305f\u3002<\/p>\n

\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h1>\n
\r\n\r\nfn tanh(x: f64) -> f64 {\r\n    let a: f64 = (x).exp();\r\n    let b: f64 = (-x).exp();\r\n    return (a - b) \/ (a + b);\r\n}\r\nfn sigmoid(x: f64) -> f64 {\r\n    return 1.0 \/ (1.0 + (-x).exp());\r\n}\r\nfn main() {\r\n    let w1 = [[-3.4681022, 0.379121, -1.4711456, 2.2247136, 2.3135107, 2.7624693, -1.83576, -1.1545312], [2.1978209, 0.2895245, 2.0881913, -1.3450832, -1.4154571, 1.9255028, 3.2867477, 1.956522]];\r\n    let b1 = [-0.6591252, 0.3864409, 0.4982838, 0.3707547, 0.3982254, -0.3612466, 0.4284867, 0.2701645];\r\n    let w2 = [[1.4324994 ], [0.7911373], [-2.3011343],  [-1.7614117], [-2.4442003], [3.9701838], [-1.837263], [-1.3641325]];\r\n    let b2 = [0.9285715];\r\n    for i in 0..4\r\n    {\r\n        let mut x = [0.0, 0.0];   \r\n        let mut y = [0.0];\r\n        let mut h = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0];\r\n        if i == 0\r\n        {\r\n            x = [1.0, 0.0];\r\n            print!(\"1, 0 = \");\r\n        }\r\n        if i == 1\r\n        {\r\n            x = [0.0, 1.0];\r\n            print!(\"0, 1 = \");\r\n        }\r\n        if i == 2\r\n        {  \r\n            x = [1.0, 1.0];\r\n            print!(\"1, 1 = \");\r\n        }\r\n        if i == 3\r\n        {\r\n            x = [0.0, 0.0];\r\n            print!(\"0, 0 = \");\r\n        }\r\n        for k in 0..2\r\n        {\r\n            for l in 0..8\r\n            {\r\n                h[l] += x[k] * w1[k][l];\r\n            }\r\n        }\r\n        for l in 0..8\r\n        {\r\n            h[l] += b1[l];\r\n            h[l] = tanh(h[l]);\r\n        }\r\n        for k in 0..8\r\n        {\r\n            for l in 0..1\r\n            {\r\n                y[l] += h[k] * w2[k][l];\r\n            }\r\n        }\r\n        for k in 0..1\r\n        {\r\n            y[k] += b2[k];\r\n            y[k] = sigmoid(y[k]);\r\n        }\r\n        println!(\"{} \", y[0]);\r\n    }\r\n}\r\n\r\n\r\n\r\n<\/code><\/pre>\n
\u6210\u679c\u7269<\/h1>\n
\u4ee5\u4e0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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