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I have used the Ramberg-Osgood stress strain model. It only requires the root finder of MathCAD when looking for the stress at a given strain because the stress is implicitly expressed in terms of a known or assumed strain. Best regards, The MatheMagician :-)

The MatheMagician says, "Create a REFERENCE FILE with the UNITS of your choice" then just insert the file name into each new project you deem requiring such "user-defined units" Reference files in MathCAD v11 (which is the only version I have tried this feature)works...

I believe the intended intral is: integral(a,b, sqrt(R^2 - x^2),dx) then MathCAD can symbollically evaluate this integral. Also note that the limits are: a = C (Not R - C), and b = R (radius of the circle) Incidentally, C <= R. You may want to consider changing the lower limit to C a...

Use the soslve-block as: Given Y = m . x X(m,y) := Find(x) y = [1 2 3 4]T i := 1..4 Solution[i := X(m, y[i) Thanks for your interest in MathCAD and keep those questions coming ! Sincerely, The MatheMagician :-)

Make sure that ORIGIN=the starting index of your array. Please read the ORIGIN command ! Take care, The MathMagician :-)

The answer is no ! Sincerely, The MatheMagician !!

Send me the files, I will open them in MathCAD, print them to PDF then send you the Adobe Acrobat (PDF) files to you :-) Take care, The MatheMagician !

Dear Fabcio, the meaning of Eigen is characteristic, and the equation you have provided is quadratic with a well known solutions, x= (-B +/-Sqrt(B^2 - 4*A*C))/(2*A). The equation you have provided is &quot;the characteristic equation&quot; of your model which for instance could represent...

I have used MathCAD on an Athalon 950 MHz without any incidents ! Yes, AMD does indeed provide more bang for your buck !! Merry Christmas :-)

It sounds to me as though you should create a function usign the Given-find block solver, then access the function using a loop inside your MathCAD program.

I would like to see the System of PDEs along with the corresponding BCs, and Initial Conditions. The current version of MathCAD,v11, has a very nice PDE-Block Solver. The great progress in the area of PDE solvers started with the previous release of MathCAD, 2001i, and that is an ODE-Block...