Ahmed salem Heilt

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Questions related from Ahmed salem Heilt

I have four block matrices are non-singular, how to show the big matrix that contain all these blocks is also non-singular? what is the reference ?

M1, M2, M3, and M4 are four tri-diagonal non-singular sub-matrices and X is the big matrix that contain M1, M2, M3, and M4. please, i need reference to show the matrix X is also non-singular.

11 November 2017 6,272 6 View

How i can to apply the mean value theorem for this integral?

How i can to apply the mean value theorem for this integral? See the attached, please

12 December 2016 9,869 0 View

How to write the following nonlinear ODE as a linear ODE by quasilinearization technique? y''(x)=y^3(x)-y(x)y'(x), y(1)=1/2, y(2)=1/3?

How to write the following nonlinear ODE as a linear ODE by quasilinearization technique? y''(x)=y^3(x)-y(x)y'(x), 1 less than x less than 2 y(1)=1/2, y(2)=1/3?

04 April 2016 5,436 4 View