creating a function with a condition set

2017 9 16

1 个回答

3 次查看（30 天）

0 个投票

How do I create this function in Matlab? All of the tutorials seem to use very simple syntax in the functions.

f(t) = {

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Walter Roberson 2017-9-16

Perhaps post an image of the formula.

Hollie Pietsch 2017-9-16

Walter Roberson 2017-9-16

编辑：Walter Roberson 2017-9-16

0 个投票

If you have Symbolic Toolbox and R2016b or later, you can use piecewise

Otherwise, you need something like

function ft = f(t)
  ft = nan(size(t));
  mask = t >= 0 & t < 2;
  ft(mask) = t(mask) - 1;
  mask = t >= 2 & t < 4;
  ft(mask) = 3 - t(mask);

Notice the nan: your function definition does not define any value for t outside of [0, 4) so no number can be assigned for those cases.

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