How do I go about coding a matrix with entries being the outcome on an equation. for example 5 x 10 with Akj= ksin(kj)+jcos(kj)

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Jose 2023-5-4

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回答： Chunru 2023-5-4

for example 5 x 10 with Akj= ksin(kj)+jcos(kj)

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Answer 1

Chunru 2023-5-4

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https://ww2.mathworks.cn/matlabcentral/answers/1957704-how-do-i-go-about-coding-a-matrix-with-entries-being-the-outcome-on-an-equation-for-example-5-x-10#answer_1228784

在 MATLAB Online 中打开

k = (1:5)';
j = (1:10);
A= k.*sin(k*j)+j.*cos(k*j)
A = 5×10
    1.3818    0.0770   -2.8289   -3.3714    0.4594    5.4816    5.9343   -0.1746   -7.7881   -8.9347
    1.4024   -2.8209    2.3217    1.3967   -5.2834    3.9900    2.9384   -8.2371    4.4409    5.9067
   -0.5666    1.0821   -1.4970    1.7657   -1.8476    1.7089   -1.3241    0.6767    0.2399   -1.4216
   -3.6809    3.6664    0.3853   -4.9823    5.6922   -1.0772   -5.6546    8.8795   -5.1188   -3.6889
   -4.5110   -4.3982    0.9724    6.1971    4.2943   -4.0146   -8.4668   -1.6099    8.9824    8.3378