Solving an equation involving variables as column vector using 'solve' function
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%arrayTest
A=[1;2; 12; 3; 3; 4]
b= [1; 2; 12; 3; 3; 4]
sym tx1
sym tS
x1 = [1:numel(A)]; %row vector
tx1 = transpose(x1) %column vector
S=[1:numel(A)]; %row vector
tS=transpose(S) %column vector
for i = transpose(1:numel(A)) %intializing loop from 1 till the number of rows of A
for j=1 %number of column = 1
tS(i,j) = solve( 1.*b + x1.*A == 0, tx1(i,j)) %solve equation
end
end
%Error
%Check for missing argument or incorrect argument data type in call to function 'solve'.
%Error in TEST_array (line 28)
%tS(i,j) = solve( 1.*b + tx1.*A == 0, tx1(i,j))
Dear Experts!!:)
I am trying to solve an equation containing variables as column vectors. I have declared the symbolic variables and have tried to use the function solve.
I keep getting this error as an incorrect arugument data type for function solve!!
Can someone help me out with this error!??
And also, how can i create and display an array which stores all the solutions of the solve function??
2 Comments
Walter Roberson
on 8 Dec 2020
tS(i,j) = solve( 1.*b + x1.*A == 0, tx1(i,j)) %solve equation
tx1 is numeric. Why are you passing it to solve()?
Answers (1)
Ashish Mishra
on 14 Dec 2020
Hi Sanjeet
You want to solve the equation for tx1(i,j) but it is a constant array (from 6th line).
Moreover in your equation , everything is constant.
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