CODEWITHSUNDEEP
matlab
user4892936
user4892936

Reputation:

Matlab Variable Precision

I am writing a Matlab script that solves a system of differential equations via the Runge-Kutta method. Due to the iterative nature of this approach, errors accumulate very quickly. Hence I'm interested in carrying an extremely exaggerated number of decimal points, say, 100.

I have identified the digits function, which allows me to define the variable precision accuracy. However, it seems that I have to specify the vpa function in every equation where I want this precision used. Is there a way to put a command in the script header and have the specified number of decimal places used in all calculations? Matlab help is unusually unclear about this.

Upvotes: 2

Views: 149

Answers (1)

Daniel
Daniel

Reputation: 36720

There is no way to tell matlab to use vpa everywhere. Typically you don't specify it in every equiation, instead cast all inputs and constants to vpa.

Upvotes: 2

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