Mat/Wrzodak_Koszarek_Zadania.ipynb
2023-06-14 19:44:46 +02:00

156 lines
4.6 KiB
Plaintext

{
"cells": [
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"Zadanie 4.6"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": []
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"ename": "NameError",
"evalue": "name 'QQ' is not defined",
"output_type": "error",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mNameError\u001b[0m Traceback (most recent call last)",
"Cell \u001b[1;32mIn[1], line 5\u001b[0m\n\u001b[0;32m 2\u001b[0m \u001b[39mfrom\u001b[39;00m \u001b[39msympy\u001b[39;00m \u001b[39mimport\u001b[39;00m symbols, Matrix\n\u001b[0;32m 3\u001b[0m \u001b[39mfrom\u001b[39;00m \u001b[39mnumpy\u001b[39;00m\u001b[39m.\u001b[39;00m\u001b[39mlinalg\u001b[39;00m \u001b[39mimport\u001b[39;00m eig\n\u001b[1;32m----> 5\u001b[0m A\u001b[39m=\u001b[39mnp\u001b[39m.\u001b[39mmatrix(QQ,\u001b[39m5\u001b[39m,\u001b[39m3\u001b[39m,[\u001b[39m2\u001b[39m, \u001b[39m4\u001b[39m, \u001b[39m6\u001b[39m, \u001b[39m8\u001b[39m, \u001b[39m10\u001b[39m, \u001b[39m12\u001b[39m, \u001b[39m14\u001b[39m, \u001b[39m16\u001b[39m, \u001b[39m18\u001b[39m, \u001b[39m20\u001b[39m, \u001b[39m22\u001b[39m, \u001b[39m24\u001b[39m, \u001b[39m26\u001b[39m, \u001b[39m28\u001b[39m, \u001b[39m31\u001b[39m])\n\u001b[0;32m 6\u001b[0m \u001b[39mprint\u001b[39m(A\u001b[39m.\u001b[39mtranspose()\u001b[39m*\u001b[39mA)\n\u001b[0;32m 7\u001b[0m \u001b[39mprint\u001b[39m((A\u001b[39m.\u001b[39mtranspose()\u001b[39m*\u001b[39mA)\u001b[39m^\u001b[39m(\u001b[39m-\u001b[39m\u001b[39m1\u001b[39m))\n",
"\u001b[1;31mNameError\u001b[0m: name 'QQ' is not defined"
]
}
],
"source": [
"import numpy as np\n",
"from sympy import symbols, Matrix\n",
"from numpy.linalg import eig\n",
"\n",
"A=np.matrix(QQ,5,3,[2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 31])\n",
"print(A.transpose()*A)\n",
"print((A.transpose()*A)^(-1))\n",
"mm=(A.transpose()*A)^(-1)\n",
"mm=(A.transpose()*A)^(-1)*A.transpose()\n",
"print(mm)\n",
"\n",
"b1=np.vector([-1,0,1,0,1])\n",
"mm1=mm*b1\n",
"print(mm1)\n",
"print((b1-A*mm1))\n",
"b2=np.vector([1,1,1,1,1])\n",
"mm2=mm*b2\n",
"print(mm2)\n",
"print((b2-A*mm2))\n",
"\n",
"b2 in (m.transpose()).image()"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"Zadanie 4.7\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"zb1=[(1,1),(2,3),(4,5)]\n",
"zb2=[(1,1),(2,3),(3,4),(4,5),(5,7),(6,9)]\n",
"\n",
"m1=matrix(3,2,[1,exp(1.0),1,exp(2.0),1,exp(4.0)])\n",
"m2=matrix(6,2,[1,exp(1.0),1,exp(2.0),1,exp(3.0),1,exp(4.0),1,exp(5.0),1,exp(6.0)])\n",
"\n",
"a,b,t=var('a,b,t')\n",
"\n",
"m1*vector([a,b])-vector([1,3,5])\n",
"m2*vector([a,b])-vector([1,3,4,5,7,9])\n",
"\n",
"\n",
"\n",
"M1=m1.transpose()*m1\n",
"M1.det()\n",
"\n",
"\n",
"\n",
"M2=m2.transpose()*m2\n",
"M2.det()\n",
"\n",
"\n",
"\n",
"M1^(-1)*m1.transpose()*vector([1,3,5])\n",
"\n",
"M2^(-1)*m2.transpose()*vector([1,3,4,5,7,9])\n",
"\n",
"\n",
"plot(1.64148598265947+ 0.0629860338045423*exp(t),(t,0,4))+sum([point(x) for x in zb1])\n",
"\n",
"plot(3.10041190358990+ 0.0163320609303546*exp(t),(t,0,6))+sum([point(x) for x in zb2])"
]
},
{
"attachments": {},
"cell_type": "markdown",
"metadata": {},
"source": [
"Zadanie 4.9"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"m=matrix(3,3,[1,1,0,1,2,2,0,2,3])\n",
"\n",
"eigenvalues = np.m.eigvals(matrix)\n",
"\n",
"eigen=m.right_eigenvectors()\n",
"e1=eigen[0][1][0]\n",
"e2=eigen[1][1][0]\n",
"print(e1.dot_product(e2))\n",
"e3=eigen[2][1][0]\n",
"print(e3.dot_product(e1))\n",
"print(e2.dot_product(e3))"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "base",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.10.9"
},
"orig_nbformat": 4
},
"nbformat": 4,
"nbformat_minor": 2
}