MATLAB: Does Matlab support both Cycle Spinning operations and Inverse Cycle Spinning operations

cycle spinninginverse cycle spinning

Hi,

I would like to know whether Matlab support both Cycle Spinning operations and Inverse Cycle Spinning operations?

Thanks, Prasanth

Best Answer

It does not support Cycle Spinning as an operation: instead, it has an example showing how cycle spinning can be implemented.

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MATLAB: Does the Symbolic Toolbox support symbolic matrix operations

To work with matrices in the Symbolic Toolbox, a variable must have each of its elements explicitly defined to be recognized as a matrix. Otherwise, variables are treated as scalars.

For example, this code snippet will define two symbolic matrices:

M = sym(zeros(2,2));
M1 = sym(zeros(2,2));
for row = 1:2;
   for col=1:2; 
     M(row,col) = sym(['a' num2str(row) num2str(col)]);
     M1(row,col) = sym(['b' num2str(row) num2str(col)]);
   end
end

These two matrices can now be multiplied together:

M*M1
 ans =
 [ a11*b11+a12*b21, a11*b12+a12*b22]
 [ a21*b11+a22*b21, a21*b12+a22*b22]
M1*M
 ans =
 [ a11*b11+a21*b12, b11*a12+b12*a22]
 [ b21*a11+b22*a21, a12*b21+a22*b22]

If your matrix elements are defined by an equation, use MESHGRID to help in defining that matrix. For example, the following code will create a symbolic matrix whose elements are described by the equation 1/(i+j-t), where "i" is the row index and "j" is the column index:

syms t
n = 3;
[J,I] = meshgrid(1:n);
A = sym(1./(I + J - t));

This produces

A
 A =
 [ 1/(2-t), 1/(3-t), 1/(4-t)]
 [ 1/(3-t), 1/(4-t), 1/(5-t)]
 [ 1/(4-t), 1/(5-t), 1/(6-t)]

MATLAB: Can someone explain me on how this duty cycle work

Hi,

A duty cycle or power cycle is the fraction of a signal or system is HIGH. Duty cycle is commonly expressed as a percentage or a ratio. A period is the time it takes for a signal to complete an on-and-off cycle.

Hence, for the PWM Generator block we have to input duty cycle in terms of percentage.In order to do that for your model, first try to make the output (Vout / (Vout + Vin)) of your duty cycle subsystem to be in between 0 and 1.Then insert gain block with value 100 before PWM Generator block to convert to a percentage

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MATLAB: Does the Symbolic Toolbox support symbolic matrix operations

MATLAB: Can someone explain me on how this duty cycle work

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