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umar khan

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These are questions asked by umar khan

how to plot function into different inte...

umar khan 30 Maple
plot piecewise
April 11 2017
2 2

I want to plot a simple power function in diferent pieces by using diferent range and  for different values of parameter a[i] at i=0,1,2 define in the attached sheet.

plot_at_different_intervals.mw

how do i subtract constant from the solu...

umar khan 30 Maple
differential-equation dsolve numeric
December 16 2016
2 2

i have solved the coupled equations .... and want to subtract a constant

i want to subtract constant from the result of last equation

r_p_m.mw

correct the error in code......

umar khan 30 Maple
differential-equation numeric initial-conditions
December 11 2016
1 4

i am trying to solve an initial value problem i have applied a numeric code but the progam give me an error but instead of several efforts i couldn't correc the error..rho(r).mw

 

how to obtained the graph in exp form...

umar khan 30 Maple
plot fsolve
December 06 2016
0 3

i need to find the graph of exp(v(r)) from 0 to 2e6.

i obtained the graph of v(r) by taking log but how to obtained in exp form

graph_of_exp_form_of_u(r).mw 

how to find integration form 0 to x...

umar khan 30 Maple
integral differential-equation numeric
December 06 2016
1 4

how to find the integration of z(x) form 0 to x with the given condition...
 

> 

diff(z(x), x) = x*Typesetting:-delayDotProduct(b, 1+3*y(x))/(a^2*(1-(x/a)^2));

diff(z(x), x) = x*(b.(1+3*y(x)))/(a^2*(1-x^2/a^2))

 (1)
> 

`%%where%`, y(x) = b*((1-(x/a)^2)^(1/2)-(1-(R/a)^2)^(1/2))/(3*(1-(R/a)^2)^(1/2)-(1-(x/a)^2)^(1/2));

`%%where%`, y(x) = b*((1-x^2/a^2)^(1/2)-(1-R^2/a^2)^(1/2))/(3*(1-R^2/a^2)^(1/2)-(1-x^2/a^2)^(1/2))

 (2)
> 

with*condition; -1; z(R) = ln(1-(R/a)^2)

z(R) = ln(1-R^2/a^2)

 (3)
> 

``


 

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