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## calnum_sf - Solve with Fixed Significant Digits

version 1.0.1 (2.68 KB) by Mohammad Al-Fetyani

### Mohammad Al-Fetyani (view profile)

calnum_sf solves mathematical expression with fixed significant figures.

Updated 17 Apr 2019

% calnum_sf solves mathematical expression with fixed significant figures
% ---------------------------------------------------------------------
% inputs
% expression - your expression as a string
% numSF - number of significant figures
% method - uses following methods for rounding:
% 'round'
% 'fix'
% ---------------------------------------------------------------------
% outputx
% appVal the approximate result
% error the relative error
% ---------------------------------------------------------------------
% example
% [num,error]=calnum_sf('(2/9)*(9/7)*3-5*66*cos(log(3*5)-5)+3.5464*cos(6*sin(3)/5)^5',6,'round')
%
% All copyrights goes to Mohammad Al-Fetyani
% University of Jordan

### Cite As

Mohammad Al-Fetyani (2020). calnum_sf - Solve with Fixed Significant Digits (https://www.mathworks.com/matlabcentral/fileexchange/69859-calnum_sf-solve-with-fixed-significant-digits), MATLAB Central File Exchange. Retrieved .

François Beauducel (2015). Round with significant digits (https://www.mathworks.com/matlabcentral/fileexchange/26212-round-with-significant-digits), MATLAB Central File Exchange. Retrieved 03 Apr 2015.

Ahamd Jamal

### Ahamd Jamal (view profile)

Muhammed Al-brham