To choose a random letter from `a`

, `b`

, `c`

, or `d`

in Matlab, you can use the `randi`

function along with the `char`

function. Here's an example:

main.m204 chars12 lines

In this code, `options`

is a string that contains the options we want to choose from. The `randi`

function is used to generate a random integer between 1 and the length of `options`

. This integer is stored in the variable `index`

. We then use `index`

to select the corresponding character from `options`

, which is stored in the variable `letter`

. Finally, we print `letter`

to the console.

Since all of the options have the same probability of being chosen, each letter should have a 25% chance of being selected.

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