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Ziwei Li


Last seen: 12 månader ago |  Active since 2021

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How to solve symbolic function
I want to solve t: eq=(ap^2*t^3)/2 - ap*t^3 + (ap*t^2)/2 - t^3/2 + t^2/2 + (127*t)/8 - 8 assume(1>ap>0) sol=solve(eq==0,t,"Re...

12 månader ago | 1 answer | 0

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Question


How could I caculate the symbolic function/equition with summation?
How could I caculate this? Actually, I only want to get the expression function. I want to take derivative of t. But there is s1...

mer än 2 år ago | 1 answer | 0

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Question


how to simplify the inequality?
how to simplify the inequality as follow: x+y>=2 x-y>=4 I want to get x>=3 Could you teach me which code I use would get thi...

mer än 2 år ago | 1 answer | 0

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How can I caculate the range of value of a function by matlab?
I want to find the interval of values in a symbolic function. Suppose that there is a function f(x,y,z)=x^z+2*y^3. And the x>1, ...

mer än 2 år ago | 1 answer | 0

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