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la función syms no funciona [syms function not working]

7 次查看（过去 30 天）
Ivan
Ivan 2023-12-24
评论： Walter Roberson 2023-12-27
Quiero realizar un calculo simbolico pero no me funciona, al colocar syms x me sale error
Como puedo verificar que tengo habilitado el calculo simbolico
[Google Translate]: I want to perform a symbolic calculation but it doesn't work, when placing "syms x", I get an error. How can I verify that I have symbolic calculation enabled?
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Ivan
Ivan 2023-12-27
This is what i get with the "ver" command
MATLAB Version: 9.14.0.2337262 (R2023a) Update 5
MATLAB License Number: 1066897
Operating System: Microsoft Windows 11 Home Single Language Version 10.0 (Build 22621)
Java Version: Java 1.8.0_202-b08 with Oracle Corporation Java HotSpot(TM) 64-Bit Server VM mixed mode
-----------------------------------------------------------------------------------------------------
MATLAB Version 9.14 (R2023a)
>>
Walter Roberson
Walter Roberson 2023-12-27
You need to install the Symbolic Toolbox
If you are lucky, then possibly you already have a license for it. Use the Add-On Explorer and search for Symbolic Toolbox. If you already have a license for it then there will be a button to install the toolbox.

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回答（1 个）

Sulaymon Eshkabilov
Sulaymon Eshkabilov 2023-12-24
编辑：Sulaymon Eshkabilov 2023-12-24
Ran in:
Is this what you are trying to achieve (È questo ciò che stai cercando di ottenere?):
% Initialize symbolics
syms H(x) F(x,y) G(x, y, z)
% Initialize symbolic functions
H(x) = sin(x)
H(x) = 
F(x, y) = x^2+y^2+2*x*y
F(x, y) = 
G(x, y, z) = sqrt(x^2+y^2+z^2-25)
G(x, y, z) = 
% Calculations:
H(pi)
ans = 
0
F(1, 2)
ans = 
9
G(1, 2, 3)
ans = 

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