java interop with R error?

[ravinder387]

I write a methods on double[][] type in java. when i add this class to R it gives me internal error. what's correspondence R data type to java data type

[steve-s]

Hello @ravinder387,

could you please also include the Java code of MatrixSqrt?

[ravinder387]

public class Array2D {

public double[][] jsqrt(double[][] vec) {
    // output
    double[][] output = new double[vec.length][vec[0].length];
    
    // iterate col-wise
    for (int i = 0; i < vec.length; i++) {
        for (int j = 0; j < vec[0].length; j++) {
            output[i][j] = Math.sqrt(vec[i][j]);
        }

    }
    
    // return
    return output;
   
}

}