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Jan 11, 2023 at 7:49 vote accept ayr
Oct 16, 2022 at 15:52 answer added cvgmt timeline score: 2
Oct 16, 2022 at 8:02 comment added user293787 Instead of FindInstances you could use the following faster code: sol=Solve[{y==y0,t==t0,x^2+y^3+z^2+t^2==1-a0,x+y-z==t^2},{x,y,z,t}]; randomSolution:=Block[{a0=RandomReal[{0,1}],y0=RandomReal[{-1,1}],t0=RandomReal[{-1,1}]}, sol]; Flatten[Select[Table[randomSolution,100],FreeQ[#,Complex]&],1]
Oct 16, 2022 at 6:44 comment added ayr @JimB thank you very much! I will try to study the material
Oct 16, 2022 at 6:04 comment added JimB See mathematica.stackexchange.com/questions/69713/….
Oct 16, 2022 at 5:12 history asked ayr CC BY-SA 4.0