diseño de documentos | mapas mentales
matrices
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgrskX8zQtwjUNq1yXuiaABBioLbvZ6zxuSxLU5jB8gS4MkSL3SA2oQ82PKutfXbuu71cKkUF2y0s-xIHXaFUOVeWP5CgH9p1D3Qv05H5YemIuDp9CKawIm6JmfbZujvQn7kZtbvV9SvjYN/s320/r2.png)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiKOCoeCxr57tJRKB5GCJJ460m-Pu0ak6-MevjBWrwWrDee0x4vz_RyU4VWLBkSorHn30MIM6t2LK3MqMHyiS-OhS-6jeGtavcsYhrFkHRBHpA5qRRi336jMvTPjIpQdFRHWzH5dEVm4zni/s320/r1.png)
código
double[,] dato;
dato = new double[2, 2];
dato[0, 0] = Convert.ToDouble(textBox1.Text);
dato[0, 1] = Convert.ToDouble(textBox2.Text);
dato[1, 0] = Convert.ToDouble(textBox3.Text);
dato[1, 1] = Convert.ToDouble(textBox4.Text);
string valor = comboBox1.SelectedItem.ToString();
double x = Convert.ToDouble(valor);
textBox5.Text = Convert.ToString(dato[0, 0] * x);
textBox6.Text = Convert.ToString(dato[0, 1] * x);
textBox7.Text = Convert.ToString(dato[1, 0] * x);
textBox8.Text = Convert.ToString(dato[1, 1] * x);
Referencia
arrays
operadores
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