MATLAB Live editor valriables with indices

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timo
timo 2016-3-13
回答： Sarah Palfreyman 2016-3-21
Dear all , is there any way to make rt have t as indices in this ?
clear all
syms rt r1 r2 r3
rt=r1+r2+r3
r1 , r2 , r3 have indices , but not rt , and i want to make it consistent in the equation

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回答（1 个）

Sarah Palfreyman
Sarah Palfreyman 2016-3-21
clear all
syms r_t r1 r2 r3 k_t
r_t==r1+r2+r3
You can use subscripts & equation assignment if that helps.

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