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how to obtain maximum numbers after decimal point?

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Mudasir Ahmed
Mudasir Ahmed 2015-12-15
评论： Mudasir Ahmed 2015-12-17
hi
in calculation, my problem needs at least 20 to 30 digits after decimal point for e.g (1.234567898745612321654645454875) for perfect answer. but in matlab using "format long" i just get 15 digits after decimal. is there any way to get values upto 20 to 30 digits after decimal point. kindly help me i will be highly thankful to you
With best Regards Mudasir

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Walter Roberson
Walter Roberson 2015-12-15
No there is not. You will need to use the symbolic toolbox or one of John D'errico Variable Precision toolbox contributions to the File Exchange.
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Mudasir Ahmed
Mudasir Ahmed 2015-12-17
Dear Sir,
I unzip the folder and give path by SET PATH option but it still give error like Undefined function 'vpi' for input arguments of type 'double'.
sir my program require at least 20 to 30 digits after decimal without this precision i cannot do any thing useful with my code.

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