I find d from 7*d mod 40=1

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Sakunrat Jaejaima
Sakunrat Jaejaima el 17 de Jun. de 2015
Comentada: Sakunrat Jaejaima el 18 de Jun. de 2015
I find d from 7*d mod 40 =1
syms d
eqn= 7*d==1;
solve(eqn,d,Domain=Dom::IntegerMod(40))
But there error. Help me please.
  3 comentarios
Walter Roberson
Walter Roberson el 18 de Jun. de 2015
What is the error message?
Sakunrat Jaejaima
Sakunrat Jaejaima el 18 de Jun. de 2015
I tried the codes but thereis no error shown. Matlab instead asked for/tried to open some matlab files

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Respuestas (1)

Walter Roberson
Walter Roberson el 18 de Jun. de 2015
Try
feval(symengine, 'solve', eqn, d, sym('Domain=Dom::IntegerMod(40)'))
Domains are MuPAD objects, and you need to call into MuPAD to use them.

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