Needing to increment a number within a sin function

2022 7 15
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更新时间：2022 7 15
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I am creating a matrix which has a sin function in the diagonal. It starts with 10sin(0) and goes on to 10sin(1), 10 sin(2)... all the way to 10sin(19). How can I make this happen?

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Star Strider
Star Strider 2022-7-15
Ran in:

1 个投票

Ran in:
Try something like this —
S = 10*sin(diag(0:19))
S = 20×20
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8.4147 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9.0930 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1.4112 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -7.5680 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -9.5892 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -2.7942 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6.5699 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 9.8936 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4.1212 0 0 0 0 0 0 0 0 0 0
See the documentation on diag for details.
.

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Harnoor
Harnoor
2022-7-15

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Star Strider
Star Strider
2022-7-15

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