solve symbolic function - I get non-simplified term

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Hi,
I use syms X, Y, Z to solve for the jacobian of a matrix Xn and then plug in the values for X, Y, Z (1.5, 2.2, 8) but what I get is a non-simplified term: (719*29041^(1/2)*(1141^(1/2)/100 - 105/5629))/559 How can I programamtically calculate this term without going to command window copy and paste back to command window to get 69.951? My HW is due soon so I need your prompt response. Thank you very much for your help.

Accepted Answer

Star Strider
Star Strider on 7 Sep 2015
Use the vpa function:
Q = vpa((719*29041^(1/2)*(1141^(1/2)/100 - 105/5629))/559, 5)
Q =
69.951
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