MATLAB: Hello I’m a beginner with Matlab and need help designing a filter

Question

I was thinking of doing a 4th order Butterworth bandpass filter with center frequency of 455KHz and bandwidth of 100KHz. The passband gain should be 10dB

Answer 1

Have you started with this?

https://www.mathworks.com/discovery/filter-design.html

Also

filterDesigner

is a good tool.