how to define a function
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i just want to define a function of two variables,the
c_x_y=2/d*(int(cos(x*pi/d*z)*zy,z,0,d));
and x,y belongs to intergers form 0,if a change it to the Specific numbers, it will calculate the values such as
c_0_0=2/d*(int(cos(0*pi/d*z)*z0,z,0,d));
c_0_1=2/d*(int(cos(0*pi/d*z)*z1,z,0,d));
c_0_2=2/d*(int(cos(0*pi/d*z)*z2,z,0,d));
c_0_3=2/d*(int(cos(0*pi/d*z)*z3,z,0,d));
c_0_4=2/d*(int(cos(0*pi/d*z)*z4,z,0,d));
c_0_5=2/d*(int(cos(0*pi/d*z)*z5,z,0,d));
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回答 (2 件)
madhan ravi
2019 年 1 月 2 日
Just create a function with an input that changes and the just call it to find the integral.
doc function% read it
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Walter Roberson
2019 年 1 月 2 日
syms x y z d pi
c_x_y = @(x,y) 2/d*(int(cos(x*pi/d*z)*sym(sprintf('z%d',y)),z,0,d));
This expects y to be a non-negative integer in order to generate the zy variable properly.
x is not required to be an integer. When it is a non-zero integer, then c_x_y will come out as 0.
2 件のコメント
Walter Roberson
2019 年 1 月 2 日
syms c_1_1
does not invoke c_x_y with parameters (1,1) . You would need
c_1_1 = c_x_y(1,1)
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