To calculate the fourth derivative of a function in Matlab, you can use the `diff`

function multiple times. Here's an example:

main.m169 chars4 lines

In this code, `syms x`

declares `x`

as a symbolic variable so that Matlab knows to treat it mathematically. `f`

is the function we want to differentiate, which we define as `sin(x)`

for this example. The `diff`

function is used to find derivatives of `f`

. The syntax for `diff`

is `diff(f, x, n)`

, where `f`

is the function to differentiate, `x`

is the variable to differentiate with respect to, and `n`

is the number of times to differentiate. In this case, `f4`

is the fourth derivative of `f`

with respect to `x`

.

Note that you may need to simplify the resulting expression using `simplify`

or `simplifyFraction`

functions depending on the complexity of the resulting expression.

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