How to display the matrix as not 10^3 but as 10^1 for the values in the matrix

Question

Gihahn 2024-5-1

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2113801-how-to-display-the-matrix-as-not-10-3-but-as-10-1-for-the-values-in-the-matrix

回答： SAI SRUJAN 2024-5-1

Y11=-((482.34i*10^-6));

Y22=-1.99i;

Y33=-2.14i;

Y44=-4.222i;

Y55=-7.761i;

Y66=(416.67*10^-6)- ((57.81*10^-9)*i);

Y77=(166.6*10^-9)- ((166.6*10^-6)*i);

Y12=0;

Y13=0;

Y14=0;

Y15=0;

Y16=0;

Y17=0;

Y21=0;

Y23=0;

Y24=1.351i;

Y25=0.581i;

Y26=0;

Y27=0i;

Y31=0;

Y32=0;

Y34=0;

Y35=0;

Y36=0;

Y37=0;

Y41=0;

Y42=1.3551i;

Y43=Y34;

Y45=0.871i;

Y46=0;

Y47=0;

Y51=Y15;

Y52=Y25;

Y53=0;

Y54=Y45;

Y56=0;

Y57=0;

Y61=0;

Y62=0;

Y63=0;

Y64=0;

Y65=Y56;

Y67=0;

Y71=0;

Y72=0;

Y73=0;

Y74=0;

Y75=0;

Y76=0;

% Ybus matrix

Ybus0 = [Y11,Y12,Y13,Y14,Y15,Y16,Y17; Y21,Y22,Y23,Y24,Y25,Y26,Y27; Y31,Y32,Y33,Y34,Y35,Y36,Y37; Y41,Y42,Y43,Y44,Y45,Y46,Y47; Y51,Y52,Y53,Y54,Y55,Y56,Y57; Y61,Y62,Y63,Y64,Y65,Y66,Y67; Y71,Y72,Y73,Y74,Y75,Y76,Y77,]

%convert Ybus to Zbus

Zbus0=inv(Ybus0);

How to display the matrix as 10^1?

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Stephen23 2024-5-1

编辑：Stephen23 2024-5-1

在 MATLAB Online 中打开

"How to display the matrix as not 10^3 but as 10^1 for the values in the matrix"

Not easily, you would probably have to write your own display routine, e.g. using FPRINTF.

Here is a much better way to generate that matrix:

Y = zeros(7,7);
Y(1,1) = -(482.34e-6i);
Y(2,2) = -1.99i;
Y(3,3) = -2.14i;
Y(4,4) = -4.222i;
Y(5,5) = -7.761i;
Y(6,6) = (416.67e-6)-(57.81e-9i);
Y(7,7) = (166.6e-9)-(166.6e-6i);
Y(2,4) = 1.351i;
Y(2,5) = 0.581i;
Y(4,2) = 1.3551i;
Y(4,3) = Y(3,4); % superfluous
Y(4,5) = 0.871i;
Y(5,1) = Y(1,5); % superfluous
Y(5,2) = Y(2,5);
Y(5,4) = Y(4,5);
Y(6,5) = Y(5,6); % superfluous

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Answer 1

SAI SRUJAN 2024-5-1

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2113801-how-to-display-the-matrix-as-not-10-3-but-as-10-1-for-the-values-in-the-matrix#answer_1450716

在 MATLAB Online 中打开

Hi Gihahn,

I understand that you are facing an issue in displaying the matrix as 10^1 for the values in the matrix.

Please go through the following code sample, to proceed further.

Zbus0 = inv(Ybus0);
% Display Zbus0 with values formatted as 10^1
for row = 1:size(Zbus0, 1)
    for col = 1:size(Zbus0, 2)
        element = Zbus0(row, col);
        elementStr = sprintf('%.2fe+01', real(element) / 10) + " + " + sprintf('%.2fe+01', imag(element) / 10) + "i";
        fprintf('Z(%d,%d) = %s\n', row, col, elementStr);
    end
    fprintf('\n');
end

The code will print each element of the matrix Z in a format emphasizing its scaling by (10^1). The 'sprintf' function is used to format both the real and imaginary parts of each complex number separately, and then they are concatenated with an "i" to represent the imaginary unit. This approach provides clear visibility into the magnitude of each element relative to (10^1).

For a comprehensive understanding of the 'fprintf' and 'sprintf' MATLAB function, please go through the following documentation.

https://www.mathworks.com/help/matlab/ref/fprintf.html

https://www.mathworks.com/help/matlab/ref/sprintf.html

I hope this helps!