How to find the roots of equations in Matlab v7.12

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how can I find roots for equation x^3=a
where a is a defined variable = 0.3 (a=0.3) and '^' means 'power'
Please help
thanks MissA

Answers (2)

Muruganandham Subramanian
Muruganandham Subramanian on 12 Dec 2012
Edited: Muruganandham Subramanian on 12 Dec 2012
try this:
a=0.3;
x=nthroot(a,(-1/3));
for more info,
>>help nthroot

Walter Roberson
Walter Roberson on 12 Dec 2012
roots([1 0 0 -a])

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