HW 3 - Write a matlab program that finds all perfect numbers between 1 and 1000 HW 10 - What if taken character is a string? Example: Enter some text: matlab programming Enter a character: program Found in the 8th index. Question 11 - Write a matlab program that takes a string and a split character from a user. You should divide taken string according to taken split character. You should hold each divided part into a vector. Finally, you should show each divided part on CW. Example: Enter some text: matlab-programming-great-a-lesson-subject. Enter a separator: - matlab programming fantastic one lesson subject. HW12 - Write a matlab program that takes a string and a character. You should find last index of taken character in taken string. Finally, print last index number of taken character in taken string on CW. Example: Enter some text: matlab Enter a character: a In the matlab programming text, the a character is in the 5th index at the end. HW13 - Write a matlab program that takes a string and a character. You should remove taken characters in taken string. Finally, you should print the obtained string on CW. Example: Enter some text: matlab programming Enter a character: a Result: mtlb program

i need solutions all of them with MATLAB programming

Question 7 Write a matlab program that prints * characters and creates a triangle as below. HW8 - Write a matlab program that prints * characters and creates a triangle as below. ****** ****** ****