Question 4 For the given algorithm to find sum of 1+2+3+......+N, draw the flowchart. Algorithm Step 1: Start Step 2: Input Value of N Step 3:I= 1, SUM=0 Step 4: IF (I>N) THEN GO TO Step-8 ENDIF Step 5: SUM=SUM + I %3D Step 6:I-I+1 I Step 7: Go to step-4 Step 8: Display value of SUM Step 9: Stop

Make a code in mathlab if possible

2. Write a program to graph the following equation in the interval. The interval step size is 0.5. Calculate the values in main program. Write a function to print the output graph as follow. v = 75 * t * exp(-t); Sample output 0 10 20 30 40 -------------------------------------------- 0.0 * 0.5 * 1.0 * 1.5 * 2.0 * 2.5 * 3.0 * 3.5 * 4.0 * 4.5 * 5.0 * .........