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12ar.af


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统计学

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ordinary differential equation
i have an equation d(theta)/dt=((P*L^2)/(E*I))*sin(theta*D/L) L=55.863; D=15.484; E=200*10^9; I=138; P=440*10^6 The initia...

13 years 前 | 1 个回答 | 0

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quad
i have an equation f=((L*z)/((L/2)+z))*exp((-2*z)/L) where L=10; z=0:10 i need to intergrate this equation from 0 to 10 us...

13 years 前 | 1 个回答 | 0

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polyfit
Hi guys, i have a question on polyfit. i have a set of data from a profile a picture, so know i want to use polyfit from 3rd de...

13 years 前 | 2 个回答 | 0

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Forces
f(z)=((10*z)/(5+z))*exp(-2z/10);% wind force % total force F=intergral(0 to L) of f(z)dz; length(z)=10 This fo...

13 years 前 | 1 个回答 | 0

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roots
V1y1=V2y2; y2+((1/(2*g))*((v1*y1)/y2)^2)+h-y1-(v1^2/(2*g))=0; 1.Determine the lower and upper bounds for the formula y2 2...

13 years 前 | 1 个回答 | 0

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Given an equation, i have to graph it in 3D and it should look like a water ripple
hi. i need help urgently. i was given an equation: z(x,y)=(amp*cos(sqrt((x^2+y^2)*const1))/exp((x^2+y^2)*const2)) amp is the ...

13 years 前 | 1 个回答 | 0

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