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# Rodrigo Toledo

Last seen: 8 maanden ago Active since 2021

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Evaluating polynomial functions to get integer as answer
I am trying to evaluate: syms x y eq = (x^2 + y^3 == 31) solve(eq) eqs = [x^2 + y^3 == 31, x^2 == 31 - y^3] S = solve(eq,...

bijna 2 jaar ago | 2 answers | 0

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Question

Solving Exponencial fuction is not returning the right answer
How do i solve this exponencial: 12734.40 == 12000 * 1.02^x i am doing: solve(12734.4 == 12000*1.02^x,x and getting log(2653...

bijna 2 jaar ago | 2 answers | 1

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Question

Solving an inequation of first degree issue
Hello, i am trying to solve this inequation: a = 3*x + 21 <= 5*x + 13 the answer matlab is giving me when i use: solve(a)...

bijna 2 jaar ago | 1 answer | 0

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Question

Plotting Area of a function
Hello, I have this function: fun = @(x) (x^2 + 2) q=int(fun,x,[-1,2]) q=9 How do i plot this fun function with the shadde...

bijna 2 jaar ago | 1 answer | 0

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Question

How to substitute x by an integer in a derivative function
I have a function: syms x f(x) = (tan(x^2 + 3*x))^2 a = diff(f(x)) Now i want to calculate the a when x=1. How can i do it...

bijna 2 jaar ago | 1 answer | 0