Question

Uninstall Old version R2020a

Can I delete the older version R2020a now that I have R2020b ? old versions are occupying 13.55 GB

4 days ago | 1 answer | 0

Question

Eigen Vectors and Values using Matlab

I'm using the following code to find the eigen vectors, now when I evaluate lambda manually I get dfferent numbers A=[4 6 2;...

1 month ago | 2 answers | 0

Question

adjmat unrecognized function in Matlab

I'm trying to run a code and it has the function t5 = diff(lambda); t5 = adjmat(t5); but I got the error that adjmat unr...

2 months ago | 2 answers | 0

Question

Numerical differential using a set of data

I have a function b(v), where b is the root of an equation that envolves bessel functions and the input is v. I found b using ...

2 months ago | 1 answer | 0

Question

Different results for the same equation

Why E1 is different than E3, though lambda(1)= lambda(3)

3 months ago | 1 answer | 0

Question

Only the real part of the complex number is displayed

When I have a complex number as an output, Mtalab either doesn't display the number or only shows the real part. Any idea how ca...

3 months ago | 1 answer | 0

Question

Only the real part of the complex number is displayed and not the imaginary part

I'm facing this unusal problem. the output is saved as you can see in the workspace but its not being displayed in live editor s...

3 months ago | 1 answer | 0

Question

Mixing text and output

I wonder if there is a way to write in live editor directly such text A=[1 0;0 1] $\mathbf{A}=A$ So the output can be dire...

3 months ago | 0 answers | 0

Question

Display is too small

The tools can hardly seen on the left, how can I restore it to default

3 months ago | 2 answers | 0

Question

Double integration using dblquad not working

what is the mistake in this code, I'm getting this error "Error using dblquad>innerintegral (line 76) Inputs must be floats, na...

2 years ago | 1 answer | 0

Question

Figure printing size and printing in latex

I have multiple of Matlab figures and I need all the figures to have the same size when I save them as Pdf but I can't make them...

3 years ago | 1 answer | 0

Question

using $\textit{w}$ in legend

I have an existing figure that I want to use this term $\textit{w} = 0$ in its legend. I'm setting the latex interpreter using ...

3 years ago | 1 answer | 0

Question

continouse OFDM with filtering

I'm trying to do the following code data (bits) QAM-MApping using (comm.RectangularQAMModulator) IFFT( to generate the OFDM s...

4 years ago | 0 answers | 0

Question

I'm dealing with very small numbers in matlab and I came across this problem .. I have a vector (x) that I add a D.C. Value to it ( constant number around 0.5) and then I subtract the number to get y.. the problem is x is not equal to y, why?

The problem also extends to the demodulation where if I sent 1+J I get 1-j since I'm using hard decision

4 years ago | 2 answers | 0