Computational Physics, Linear Algebra, Python, Math, Matrix.
value sigma1. u1 = [D[0]*U[0,0], D[0]*U[0,1]] v1 = [D[1]*U[1,0], D[1]*U[1,1]] plotVectors([u1, v1], cols=['black', 'black']) matrixToPlot(A) plt.text(-5, -4, r"sig1 u1", size=18) plt.text(-4, 1, r"sig2 u2", size=18) plt.xlim(-8, 8) plt.ylim(-8, 8) plt.show() They are the major ( sigma1 u1) and