Implementation of test functions collections for unconstrained optimization based on sympy representation of function. Functions was taken from https://camo.ici.ro/journal/vol10/v10a10.pdf Functions list: 1. Extended Freudenstein & Roth function 2. Extended Trigonometric function 3. Extended Rosenbrock function 4. Generalized Rosenbrock function 5. Extended WhiteHolst function 6. Extended Beale function 7. Extended Penalty function 8. Raydan 1 function 9. Raydan 2 function 10. Hager function 11. Extended TET (Three Exponential Terms) function 12. Extended Himmelblau function 13. Generalized WhiteHolst function 14. Generalized PSC1 function 15. Extended PSC1 function 16. Extended Powell function 17. Extended Maratos function 18. Extended Cliff function 19. Extended Wood function 20. Extended Hiebert function 21. Staircase1 function 22. Staircase2 function 23. Diagonal 1 function 24. Diagonal 2 function 25. Diagonal 3 function 26. Diagonal 4 function 27. Diagonal 5 function 28. Diagonal 6 function 29. Diagonal 7 function 30. Diagonal 8 function 31. Diagonal 9 function 32. Extended BlockDiagonal function 33. Extended Tridiagonal 1 function 34. Extended Tridiagonal 2 function 35. Generalized Tridiagonal 1 function 36. Generalized Tridiagonal 2 function 37. Broyden Tridiagonal function 38. Perturbed Tridiagonal Quadratic function 39. Perturbed Quadratic function 40. Quadratic QF1 function 41. Quadratic QF2 function 42. Extended Quadratic Penalty function 43. Extended Quadratic Penalty function 44. Extended Quadratic Exponential function 45. Partial Perturbed Quadratic function 46. Almost PerturbedQ uadratic function 47. Generalized Quadratic function 48. Full Hessian 1 function 49. Full Hessian 2 function 50. Full Hessian 3 function 51. FLETCBV3 function 52. FLETCHCR function 53. BDQRTIC function 54. TRIDIA function 55. ARGLINB function 56. ARWHEAD function 57. NONDIA function 58. NONDQUAR function 59. DQDRTIC function 60. EG2 function 61. CURLY20 function 62. LIARWHD1 function 63. POWER function 64. ENGVAL1 function 65. CRAGGLVY function 66. EDENSCH function 67. INDEF function 68. CUBE function 69. EXPLIN1 function 70. EXPLIN2 function 71. ARGLINC function 72. BDEXP function 73. HARKERP2 function 74. GENHUMPS function 75. MCCORMCK function 76. NONSCOMP function 77. VARDIM function 78. QUARTC function 79. SINQUAD function 80. Extended DENSCHNB function 81. Extended DENSCHNF function 82. LIARWHD2 function 83. DIXON3DQ function 84. COSINE function 85. SINE function 86. BIGGSB1 function 87. SINCOS function 88. HIMMELBG function 89. HIMMELH function 90. DIXMAANA 91. DIXMAANB 92. DIXMAANC 93. DIXMAAND 94. DIXMAANE 95. DIXMAANF 96. DIXMAANG 97. DIXMAANH 98. DIXMAANI 99. DIXMAANJ 100. DIXMAANK 101. DIXMAANL