Write a MATLAB function called midOps.m with the following specifications: Funct

Question

Write a MATLAB function called midOps.m with the following specifications: Function will look at the conditions of an input value to determine what it does. Input value 1: A value (could be number, vector, matrix) Input value 2: B value (could be number, vector, matrix) Input value 3: C value (could be positive, negative or zero) Output value 1: Numerical result of operation Use the value of C as follows: If C is positive call the function midAdd() If C is negative call the function midSub() If C is zero display an error message (include why) and return C Write function midAdd() to take in two values and add to produce a result Write function midSub() to take in two values and subtract to produce a result Write function midMsg() to take in one value (use input value from midOps.m) and print a result Include help comments and body comments in each function Write an example using the function midOps.m

Explanation / Answer

MAIN FUNCTION:

function [y]=midOps(A,B,C)

if length(C)==1

if C>0

y=midAdd(A,B);

elseif C<0

y=midSub(A,B);

else

fprintf('Error ');

y=0; C=0;

end

end

end

midAdd Function:

function [y]=midAdd(A,B)

D=(size(A)==size(B));

if D(2)==1

y=A+B

else

y=0;

fprintf('Matrix sizes not equal. ');

end

end

midSub Function:

function [y]=midSub(A,B)

D=(size(A)==size(B));

if D(2)==1

y=A-B

else

y=0;

fprintf('Matrix sizes not equal. ');

end

end

midMsg Function:'

function []=midMsg(C)

fprintf('Error');

end

OUTPUT:

A=[ 2 3 4];
>> B=[1 2 3 ];
>> C=100;
>> midOps(A,B,C)

y =
3 5 7
ans =
3 5 7
>>

C=-1;

midOps(A,B,C)
y =
1 1 1
ans =
1 1 1
>>

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