mehran rajabi

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8 years, 104 days

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These are questions asked by mehran rajabi

Hi everybody:

I have one equation:

EQ := V^3-R*T*V^2/P-(B^2+P*B*R*T*sqrt(T)/(P-A))*V-A*B/(P*sqrt(T)) = 0;
how can I obtain these derivatives:


 

How can I plot Y in terms of X (Y is the vertical axis and X is the horizontal axis) in below equation with Maple?

X^3-24.478115*X^2/Y-(0.2038793409e-2+19.08455282*Y/(Y-97.539))*X-.2550630228/Y = 0

X:=0..50

Y:=0..1

Hi

I will write a code that to take one matrix (for example A) and produce B matrix, how write this code in Maple? the A matrix is optional.

A:=Matrix([[1, 2, 3], [4, 5, 6], [7, 8, 9], [10, 11, 12]]);

B := Matrix([[10, 11, 12], [7, 8, 9], [4, 5, 6], [1, 2, 3]]);

Tnx...

Hi everybody:

I have created a matrix in Maple but the Maple show it like as follow picture, How can I see the members of this matrix? 

tnx...

Hi everyone:

I want to calculate the value of eval(diff(y, x), x = 0.418e-1)-eval(diff(y, x), x = 0.1e-1), how?

y := (1-Heaviside(x-0.10e-1))*(cos(9.0218219*x)-.99533285*sin(9.0218219*x)-.99999991*cosh(9.0218219*x)+.99533285*sinh(9.0218219*x))+(Heaviside(x-0.10e-1)-Heaviside(x-0.418e-1))*(.24369100*cos(7.7520047*x)-.36109859*sin(7.7520047*x)-.23739778*cosh(7.7520047*x)+.19615343*sinh(7.7520047*x))+Heaviside(x-0.418e-1)*(.95680995*cos(9.0218219*x)-.80884870*sin(9.0218219*x)-1.0381918*cosh(9.0218219*x)+1.1704059*sinh(9.0218219*x))

with regards...

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