derivative of parametric equations

I want to find the derivative of these parametric equations if lamda is variable. Is it possible to derivative of parametric equations in Matlab?

[Walter Roberson]

The transpose on the lamba_i most likely indicates that lambda_i is a vector; that would fit in with the ||lamba_i||^2 being the magnitude of the vector lamba_i . But vector transpose times a term leads to questions about what the size is of the terms; the size constraints are most likely to be met if lamba_i is a scalar after all. But if it is a scalar, why take the transpose ???

[Torsten]

What does the index i stand for ?

Answer 1

[Matt J]

It is possible with diff() and jacobian() in the Symbolic Math Toolbox, but for the expression you've shown, there is no need. The Jacobian with resepct to is very obviously .