#include<iostream>
#include<armadillo>
using namespace std;
using namespace arma;
int main()
{
vec x = (1.0/5) * ones<vec>(N); //x is N sized uniformly distributed vector
vec xold(5);
mat v = randu<mat>(3,3);
mat b =randu<mat>(3,3);
mat c = v .* b; //element-wise matrix multiplication
xold = x .* x; // element-wise vector multiplication
}
//----------------------------this is the error message --------------------------------
/*
In function ‘int main()’:
SimilarityMatrix.cpp:182:17: error: ‘b’ cannot be used as a member pointer, since it is of type ‘arma::mat {aka arma::Mat<double>}’
mat c = (v.*b);
^
SimilarityMatrix.cpp:183:14:错误:'x'不能用作成员指针,因为它的类型为'arma :: vec {aka arma :: Col}' xold = x。* x; ^ * / //我很感激任何立即的回应。
答案 0 :(得分:9)
在Armadillo documentation中对此进行了解释。在Stackoverflow上发布问题之前,您应该阅读所有相关文档。
请参阅operators部分,其中指出%
用于逐元素乘法:
mat c = v % b;