Matlab array multiplication between numeric and variable array
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Mohamed Musni
il 23 Gen 2018
Commentato: Mohamed Musni
il 23 Gen 2018
qi=sym('qi',[1 3]); %define variables q1, q2, q3
prompt = 'enter which point in time you want to find inventory level'; %%user input for time range. ex: 0:6
j = input(prompt)
prompt = 'enter how many basic delivery cycles inventory of item should delivered to retailer i'; %user input for delivery cycles of three retailers ex: [1 2 3]
fri = input(prompt)
p = j
L = bsxfun(@rdivide,j(:),fri) %%find xij matrix which retailer orders at which point. in Xij matrix, 1 means retailer place order and 0 means there is no order from retailer.
R = mod(L,1)
Xij = R <= 0 % print Xij matrix with 1 and 0. three columns for three retailers
B = Xij.*qi % multiplication of Xij with [q1 q2 q3], and i got error message for this matrix as below
if true
>> optimize_vendor
Dr =
[ 1, 2, 3]
M =
6
enter which point in time you want to find inventory level [0:6]
j =
0 1 2 3 4 5 6
enter how many basic delivery cycles inventory of item should delivered to retailer i [1 2 3]
fri =
1 2 3
p =
0 1 2 3 4 5 6
L =
0 0 0
1.0000 0.5000 0.3333
2.0000 1.0000 0.6667
3.0000 1.5000 1.0000
4.0000 2.0000 1.3333
5.0000 2.5000 1.6667
6.0000 3.0000 2.0000
R =
0 0 0
0 0.5000 0.3333
0 0 0.6667
0 0.5000 0
0 0 0.3333
0 0.5000 0.6667
0 0 0
Xij =
7×3 logical array
1 1 1
1 0 0
1 1 0
1 0 1
1 1 0
1 0 0
1 1 1
Error using symengine
Array sizes must match.
Error in sym/privBinaryOp (line 973)
Csym = mupadmex(op,args{1}.s, args{2}.s, varargin{:});
Error in .* (line 294)
X = privBinaryOp(A, B, 'symobj::zip', '_mult');
Error in optimize_vendor (line 24)
B = Xij.*qi
end
Till Xij matrix my code is working perfectly. i need help to multiply Xij array with [q1 q2 q3] array which means first column of Xij with q1, second column with q2 and third column with q3. and finally i need to get sum of each row by variables. ex: q1+q2+q3
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