How to expand e^(jx) ?

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asked 3 years ago

Andr
81 ●3 ●9

updated 3 years ago

I want express $e^{jx}$ in trigonometric form

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answered 3 years ago

Emmanuel Charpentier
7814 ●8 ●53 ●156

On 9.6.rc0 :

sage: sageobj(exp(i*x)._maxima_().demoivre())
cos(x) + I*sin(x)

BTW :

sage: exp(i*x).demoivre()
cos(x) + I*sin(x)

HTH,

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exp(i*x).demoivre() works in Sage 9.5 and higher versions, but not in Sage 9.4 and lower.

eric_g ( 3 years ago )

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answered 3 years ago

tolga
587 ●1 ●12 ●28

Does the following work for you?

sageobj(exp(i*x)._maxima_().demoivre())

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Asked: 3 years ago

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Last updated: Apr 14 '22

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