Yangzhe Lau
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 Sep24 awarded Autobiographer Jul2 awarded Curious Feb13 revised I wonder whether the system of equations and inequations below have a solution. added 38 characters in body Feb9 revised I wonder whether the system of equations and inequations below have a solution. added 39 characters in body Feb8 comment I wonder whether the system of equations and inequations below have a solution. Thanks for your answer. Now I know when $c_1+c_2+c_3=0$, there are solutions. What if $c_1+c_2+c_3!=0$? Feb6 asked I wonder whether the system of equations and inequations below have a solution. Feb1 awarded Benefactor Jan31 accepted How to solve the six elements equations below? Jan31 comment How to solve the six elements equations below? I need to figure out all the solutions of the system of functions. And you're right $x_1=x_4,x_2=x_5$. Jan31 comment How to solve the six elements equations below? Can you find the boundary or minimum distance between different solutions? I think your method can figure the solutions out with several additional conditions. Jan31 revised How to solve the six elements equations below? added 1 characters in body Jan31 comment How to solve the six elements equations below? Yes, thanks for pointing that out. And three constant is too more. I can use $c_1/c_3,c_2/c_3$ instead. Jan31 comment How to solve the six elements equations below? I don't know. Can you find the relation? Jan31 comment How to solve the six elements equations below? Ok, It's my fault and it's meanless. But I think that a numerical solution should near a exact solution. No matter how small the error can be, there is still a small possibility that there is no exact solutions near it. Jan31 comment How to solve the six elements equations below? Besides I need to figure out all the solutions of the function. Jan31 comment How to solve the six elements equations below? May be there is a "solution" makes the cost function less than $10^-6$ but there is not a exact solution near this estimated solution. Jan31 comment How to solve the six elements equations below? Thank you for your method and finding my typo. But may be there is an instance that makes the cost function small, but there is not a solution near it. At least there should be an exact solution near each estimated solution. Jan31 revised How to solve the six elements equations below? edited body Jan31 awarded Promoter Jan30 revised How to solve the six elements equations below? added 479 characters in body