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for loop of vector

Hello, i have a function shown bellow called fun, i want to sample it in a 10.^-6 - 20*10.^-6 interval with 1000 samples as sho...

más de 1 año ago | 1 answer | 0

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rftoobox gain stability plots on smithchart

Hello, i have the following S2P file shown bellow,i found realy not enough examples for implementing rftoolbox avalible gain cir...

más de 1 año ago | 0 answers | 0

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creating continues ZOH plot from samples using sinc

Hello, i have an array of dots called y_in created by the code bellow. How using sinc function we create a continues signal of ...

más de 1 año ago | 0 answers | 0

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error plotting smithchart by MATLAB manual

Hello i am trying to follow the steps in this manual https://www.mathworks.com/help/rf/examples/designing-matching-networks-par...

más de 1 año ago | 0 answers | 0

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touchstone file could not be processed in matlab

Hello , I have created a touchstone in cadence virtuoso of two port system(i have renamed it in txt so i could upload it here) b...

más de 1 año ago | 1 answer | 0

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converting csv file into s2p

Hello , I have a csv file representing s11 s21 s12 s22 S-param's i have extracted from cadence virtuoso simulator. each s-param...

más de 1 año ago | 0 answers | 1

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avarage running time problem

Hello, i want to calculte an avarage running time amongst all 100 iterations. for some reason my avarage running time is astr...

casi 2 años ago | 1 answer | 0

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loosing precision extremely in fraction expression

Hello i have a two numbers (D1 D2) which are extremly close to each other very close,but when iput them into the formula shown b...

casi 2 años ago | 1 answer | 0

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matlab code pc independant runtime question

Hello, i have a matlab code,each PC has a different computation power,even using Matlabs tic toc we get the time code ran given ...

casi 2 años ago | 0 answers | 0

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loop causes enlargement of array

Hello, my theta vector 2X1 two values needs to be updated each itteration. instead i get theta to be size 1000 (as the number o...

casi 2 años ago | 1 answer | 0

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python to matlab [1,x] form question

Hello ,there is a trick in python to turn every matrices of NX2 into an NX2 matrices where the first column is all '1' as shown...

casi 2 años ago | 1 answer | 0

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matlabs polyfit not working correctly problem

Hello, i have a vector called "mean_vec" which consists of 81 values of " -0.1175 -0.1181 "-0.1175 -0.1194 -0.1197 ...

casi 2 años ago | 1 answer | 0

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regress function itterations number

Hello, is there a way to know hoe namy itterations regress function made to reach its oprimal solution? Thanks.

casi 2 años ago | 0 answers | 0

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zero padding between data

Hello, i have a vector shown bellow, how do i insert two zeros in between every bumber as shown bellow. Thanks. a=[1,2,3,4] a...

casi 2 años ago | 1 answer | 0

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aliasing in frequency domain problem

Hello ,i am trying to show frequency domain transform of 3 sinuos signal.I samples it twice the frequency of the highest frequen...

casi 2 años ago | 1 answer | 0

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polar reflection coefficient to impedance gamma2z question

Hello, how do i input the polar reflection coefficient shown bellow into gamma2z with z0=50? Thanks

casi 2 años ago | 0 answers | 0

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mvregress itterations and error definition

Hello, i am trying to estimate a 100X1 vector using 100X2 matrices (B is 2X1 ) B is my coeficient solution. Howeer there is a p...

casi 2 años ago | 0 answers | 0

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FIR filter sampling question

Hello, what is the meaning of fc/fs ? i cant see the logic of defining a signal in that way? Thanks

casi 2 años ago | 0 answers | 0

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understanding cycle sample expression

Hello , I cant understand the logic in this expression "cycles/N = fx/fs" N is number of samples fs- frequency if the whole...

casi 2 años ago | 0 answers | 0

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problem defining linear regression condition

Hello, i have built the first code( the top one which uses matlabs regress command to aproximate [m10;m5] (NX1) vector with [r...

casi 2 años ago | 0 answers | 0

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multiple line plot inside a loop

Hello,I have built linear regression algorithms. but i cant see the final reult onle as shown bellow. is there a way to plot t...

casi 2 años ago | 0 answers | 0

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extracting data from a picture of a chart

Hello, is there a way in Matlab to extract the data vector of the chart from this picture,for example the bottom one? Thanks. ...

casi 2 años ago | 1 answer | 0

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randn command variance problem

Hello, i am trying to create a randomly distributed temperature where the avarage is 310 and variance is 4. I wrote the followi...

casi 2 años ago | 1 answer | 0

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double regression interpretation with vectors

Hello when we enter the following vectoric line shown bellow, we get result B=[b1,b2] so how do i interpret the approximated v...

casi 2 años ago | 0 answers | 0

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solving double equation with random data with regress

Hello,i am trying to find the best values of "eT" and "e" for m5 and m10 equations. I ran the following code, i assume the by d...

casi 2 años ago | 1 answer | 0

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regress with vectors arguments

Hello,i know that in regress we make an estimation of our data using some other vector. In here We have estimation of two data ...

casi 2 años ago | 1 answer | 0

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solving simple multy variable expression

I have built a simple expression where we can see that its solution t-Vs=1 for some reason the only solution it gives me is t=1...

casi 2 años ago | 1 answer | 0

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solve an exponential equation with 2 variables(view combinations)

Hello, i am trying to solve the following equation shown bellow, by solution i mean to find all the combinations of R2 and Vs2 t...

casi 2 años ago | 0 answers | 0

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2D oplimization plot from derivative inverse function

Hello, for x=1 i have a formula as shown bellow which is a derivative inverse function: I need to plot an optimization ...

casi 2 años ago | 0 answers | 0

Question

derivarite of inverse of complex function

Hello , i have a function as shown bellow syms x Y=1./(log(x)-1) fplot(finverse(Y),[5,6]) We have made an inverse by using ...

casi 2 años ago | 0 answers | 0