cblas_sscal(D, lamda, Z,1);floatalpha=lamda*Y[0];cblas_scopy(D, X,1, B,1); cblas_sscal(D, alpha, B,1);for(i=1; i<panelSz;i++){cblas_scopy(D, &(X[i*D]),1, &(Z[i*D]),1);// Z[i] = lamda*(X[i] - sum_{j<i} XX[i,j]*Z[j]);for(j=0;j...