improvements
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parent
0d6328617e
commit
51a10d0cff
@ -1,7 +1,6 @@
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{
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"cells": [
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{
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"attachments": {},
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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@ -9,7 +8,6 @@
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]
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},
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{
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"attachments": {},
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"cell_type": "markdown",
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"metadata": {},
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"source": []
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@ -32,31 +30,28 @@
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}
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],
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"source": [
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"import numpy as np\n",
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"from sympy import symbols, Matrix\n",
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"from numpy.linalg import eig\n",
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"A=matrix(QQ,5,3,[2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 31])\n",
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"print('A =')\n",
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"print(A, '\\n')\n",
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"\n",
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"A=np.matrix(QQ,5,3,[2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 31])\n",
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"print(A.transpose()*A)\n",
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"print((A.transpose()*A)^(-1))\n",
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"mm=(A.transpose()*A)^(-1)\n",
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"mm=(A.transpose()*A)^(-1)*A.transpose()\n",
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"print(mm)\n",
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"print('b =')\n",
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"b=vector(QQ,[-1,0,1,0,1])\n",
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"print(b, '\\n')\n",
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"\n",
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"b1=np.vector([-1,0,1,0,1])\n",
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"mm1=mm*b1\n",
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"print(mm1)\n",
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"print((b1-A*mm1))\n",
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"b2=np.vector([1,1,1,1,1])\n",
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"mm2=mm*b2\n",
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"print(mm2)\n",
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"print((b2-A*mm2))\n",
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"print('A^T * A =')\n",
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"print(A.transpose()*A, '\\n')\n",
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"print('Macierz A^T*A jest kwadratowa, więc rozwiązanie istnieje\\n')\n",
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"\n",
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"b2 in (m.transpose()).image()"
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"u=(A.transpose()*A)^(-1)*A.transpose()*b\n",
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"print('u = (A^T * A)^-1 * A^T * b =')\n",
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"print(u, '\\n')\n",
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"\n",
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"\n",
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"print('b - A * u = ')\n",
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"print(b - A * u, '\\n')"
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]
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},
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{
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"attachments": {},
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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@ -69,41 +64,22 @@
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"metadata": {},
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"outputs": [],
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"source": [
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"zb1=[(1,1),(2,3),(4,5)]\n",
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"zb2=[(1,1),(2,3),(3,4),(4,5),(5,7),(6,9)]\n",
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"\n",
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"m1=matrix(3,2,[1,exp(1.0),1,exp(2.0),1,exp(4.0)])\n",
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"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",
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"zbior=[(1,1),(2,3),(4,5)]\n",
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"print('zbior punktów = ', zbior)\n",
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"m=matrix(3,2,[1,exp(1.0),1,exp(2.0),1,exp(4.0)])\n",
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"\n",
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"a,b,t=var('a,b,t')\n",
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"\n",
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"m1*vector([a,b])-vector([1,3,5])\n",
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"m2*vector([a,b])-vector([1,3,4,5,7,9])\n",
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"m*vector([a,b])-vector([1,3,5])\n",
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"\n",
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"print('\\n (m^T * m)^-1 * m^T * vector =')\n",
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"z = (m.transpose()*m)^(-1)*m.transpose()*vector([1,3,5])\n",
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"print(z)\n",
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"\n",
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"\n",
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"M1=m1.transpose()*m1\n",
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"M1.det()\n",
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"\n",
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"\n",
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"\n",
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"M2=m2.transpose()*m2\n",
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"M2.det()\n",
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"\n",
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"\n",
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"\n",
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"M1^(-1)*m1.transpose()*vector([1,3,5])\n",
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"\n",
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"M2^(-1)*m2.transpose()*vector([1,3,4,5,7,9])\n",
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"\n",
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"\n",
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"plot(1.64148598265947+ 0.0629860338045423*exp(t),(t,0,4))+sum([point(x) for x in zb1])\n",
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"\n",
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"plot(3.10041190358990+ 0.0163320609303546*exp(t),(t,0,6))+sum([point(x) for x in zb2])"
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"plot(z[0] +z[1]*exp(t),(t,0,4))+sum([point(x) for x in zbior])"
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]
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},
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{
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"attachments": {},
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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@ -132,7 +108,7 @@
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],
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"metadata": {
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"kernelspec": {
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"display_name": "base",
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"display_name": "Python 3 (ipykernel)",
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"language": "python",
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"name": "python3"
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},
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@ -146,9 +122,8 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.10.9"
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},
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"orig_nbformat": 4
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"version": "3.10.11"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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