c++ - 将多个对象数组传递给一个函数

Question

我收到的错误是 randm.cpp:42:52: error: no matching function for call to 'Neuron::activationFunc(double&, double&)' neu.activationFunc(feature[2][4], predicted[ 2][1]);

是否可以传递数组，或者我必须找到另一种方法吗？这是我的代码。我已经有几年没有使用类(class)了，所以我有点生疏了。

#include <fstream>
#include <sstream>
#include <iostream>
#include <cstdlib>
using namespace std;

int correct = 0;

class Neuron {
    //double (&features)[150][4];

    public:
    double alpha = 0.5;
    double w1 = 1.0;
    double w2 = -1; 
    double w3 = 0.5;
    double w4 = 0;
    double x = 0;
    int theta = 1;
    int hardLim = 0;
    int track = 0;
    //void testClass();
    void activationFunc(double feature[2][4], double predicted[2][1]);

};
void Neuron::activationFunc (double feature[2][4], double predicted[2][1]) {
    for (int i = 0; i < 2; i++) {
        x = (w1*feature[i][0]) + (w2*feature[i][1]) + (w3*feature[i][2]) + (w4*feature[i][3]) + predicted[2][1];
        cout <<"\n X value is: " << x << endl;
    //hardLimit(x);
    //track = i;
    }

}

int main(int argc, char* argv[])
{
    //feature = col 1-4, predicted = col 5
    double feature[2][4]={1,2,3,4,5,6,7,8};
    double predicted[2][1]={4,5};
    Neuron neu;
    neu.activationFunc(feature[2][4], predicted[2][1]);

}

谢谢。附言我知道我的代码中有一些东西尚未使用。

Answer 1

要使其编译，您需要更改这一行:

neu.activationFunc(feature[2][4], predicted[2][1]);

所以它看起来像这样:

neu.activationFunc(feature, predicted);