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TypeScript 2022-03-02 12:45:05
sum of diagonal elements of a matrix in c
#include <stdio.h> void main () { int i,j,matrix[10][10],m,n,sum=0; printf("Enter number of rows of matrix : "); scanf("%d", &m); printf("Enter number of columns of matrix : "); scanf("%d... Add solution -
Python 2022-02-13 15:30:05
How to replace both the diagonals of dataframe with 0 in pandas
import pandas as pd import numpy as np df = pd.DataFrame(np.random.randint(1,100, 100).reshape(10, -1)) out = df.where(df.values != np.diag(df),0,df.where(df.values != np.flipud(df).diagonal(0),0,inplace=True)) Add solution -
Python 2022-02-02 10:30:11
make correlated array with cholesky decomposition python
import numpy as np #desired expected rho (of the distribution of the corr matrix) rho = 0.5 # desired correlation matrix cor_matrix = np.ones((5,5))* rho np.fill_diagonal(cor_matrix,1) # 1s in diagonal print(cor_matrix) # this is artificial case but it... Add solution -
VBA 2022-01-30 19:50:10
vba default border
' VBA ONLY '=============================================================================== '>> SelectedCellsBordersForceDefault '=============================================================================== ' Makes all the borders of the selecte... Add solution -
Python 2021-11-19 19:27:14
accuracy for each class
from sklearn.metrics import confusion_matrix import numpy as np y_true = [0, 1, 2, 2, 2] y_pred = [0, 0, 2, 2, 1] target_names = ['class 0', 'class 1', 'class 2'] #Get the confusion matrix cm = confusion_matrix(y_true, y_pred) #array([[1, 0, 0], # [1,... Add solution