Question: fsolve why does not work


Hi; every body

i have a problem with fsolve using fours equestion. i use fsolve to slove four equestions and it doesnot give any soltion even if i determent the period of solution as follow,

x1=0..3, x2=0..2, x3=0..1/2, x4=0..5.

i have increased the digit to 100 but it still does not give solution where i am sure there is solution in this interval.


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