# Ishan

### MathWorks

Last seen: 4 mois il y a Actif depuis 2022

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count and plot red and blue colors from the pic
Hi Avia, I ran your code for this image, and it gave a reading of 55.38 for red and 33.35 for blue. However, by plotting the r...

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I try to plot 2 variables against each other selected by user input. But I can not figure it out. I am new to this, not much coding experience.
Hi Daniel, I understand you are trying to plot two variables against each other from a table. You can refer to the following d...

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How would i use for loop to display the whole row of information based on userinput of the first collum. The data comes from an excel sheet.
Hi Allen, If you want to loop over the entire row, it would be better to use indexing to extract the row number and display al...

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Plotting DTFT in Matlab
Hi Tomasz, I understand you are trying to cross verify your DTFT function. You can refer to the functions in the file exchange ...

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How can I make a guess sidel function with the given variables: GS(Am,bm,initial_guess,10^-4) and the range is 𝑁 = [20, 40, 80, 160, 320, 640, 1280]
Hi Anujan, If you want to solve a linear equation by Gauss-Seidel method, you can use the below function to do so: %A = inpu...

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how can i enter a signal in a Rayleigh fading channel?? note that my signal size is 1x2020. the goal that my signal be facing multipath propagation.
Hi Aly, Using Communications Toolbox, you can implement fading channels using objects or blocks. Please refer to the following...

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pcshow permanently changes figure window?
clfdeletes all children of the current figure that have visible handles. load('object3d.mat') figure(1); pcshow(ptCloud); ...

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solve a system of nonlinear differential equations whit initial conditions
If dsolve cannot find an explicit solution of a differential equation analytically, then it returns an empty symbolic array. You...

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Is it possible to obtain the expression on the right using only the laplace function of MATLAB to the expression on the left?
To obtain the Laplace transformation on the left you would probably need to reduce your equation to be a function of t. However,...

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Hello everyone ,i have data of real time FM signal in function of power and frequency ,how to find spectrogram of the above data
You can refer to the documentation for creating spectrograms. It even has an example specifically for power spectra:- Spectrogr...

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while solving coupled differential equation getting this problem.
The dimension mismatch you get is because A1(i+1) = A1(i) + (h/6)*(k1+(2*(k2+k3))+k4); in this equation on the LHS you have allo...

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