Function to display polynomial based on user input

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Mitchell
Mitchell 2019-3-1
编辑： Mitchell 2019-3-1
function polynom3 ()
%This function outputs a third-order polynomial function with coefficients
%as the input variables
w=input('cubed term \n');
x=input('squared term \n');
y2=input('x-term \n');
z=input('constant term one \n');
z2=input('constant term two \n');
z3=input('constant term three \n');
z4=input('constant term fourb \n ');
fprintf('y=%d(z).^%d(w)+%d(z2).^%d(x)+%d(z3).^%d(y2)+%d(z4)\n',w,x,y2,z,z2,z3,z4)
I'm wanting a 3rd degree polynomial but it out puts wrong
this is what it is outputting:
y=(1(z).^2(w))+(3(z2).^4(x))+(5(z3).^6(y2))+(7(z4))
How do I get it to display as a regular ploynomial function

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采纳的回答

Geoff Hayes
Geoff Hayes 2019-3-1
MItchell - I think that you are confusing some of your variables as exponents. Wouldn't the code be more like
fprintf('y=%d(x)^3 + %d(x)^2 + %d(x) + %d + %d + %d + %d)\n',w,x,y2,z,z2,z3,z4)
I may be misunderstanding what your inputs are supposed to represent - you may want to rename them differently and/or organize the data in a different manner.

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