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Find the sum with equations inside

Posted 7 years ago
POSTED BY: Alex Graham

When you start the calculation, a is a number. After yur first NSolve, a becomes a list of lists of replacement rules.It is not a number any more. You have to extract the numbers inside before feeding them to another NSolve. Have a look at the syntax of NSolve and its solutions, and how you use them.

POSTED BY: Gianluca Gorni
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