Domanda

Sensor array analyzer application data recovery
Hello , in MATLAB there is an application Sensor array analyzer in which we can "stear" the main beam by a certain angle.like s...

circa 7 anni fa | 1 risposta | 0

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Domanda

struct to non struct error in integral calc
Hello , i am getting this error "Struct contents reference from a non-struct array object." its a simmpe formulas, why i a...

circa 7 anni fa | 1 risposta | 0

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Domanda

puting coordinaes on corners of a shape of a photo
Hello, i am trying to get the coordinates of a shape shown in the shape bellow. how can we mark some point as (0,0,0) and get t...

circa 7 anni fa | 0 risposte | 0

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Domanda

imdistline converting pixel measurement
Hello, I am using imdistline to measure temporarily how many pixels between two points as shown in the photo bellow. each pixe...

circa 7 anni fa | 0 risposte | 0

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Domanda

getting the proportions of the shape by other shape using matlab
Hello, i have a shape in which i know its dimentions as shown in the photo bellow, but there is a shape next to it,shown in th...

circa 7 anni fa | 1 risposta | 0

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Domanda

keeping the same height for a conical spiral when decreasing the angle
Hello , I am trying to decrease the angle of the spiral making it more narrow but keeping its height and winding rate as before,...

circa 7 anni fa | 0 risposte | 0

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Domanda

differentiated system of equations with input at one of the variables
Hello, i have an expression which i need to perform derivatives on it so every derivative will be stored as an expression , and ...

circa 7 anni fa | 1 risposta | 0

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Domanda

multiple derivative of parametric expression
i have a very complex expression with 10 parameters and theta variable,like shown in the expression bellow,the problem is that t...

circa 7 anni fa | 1 risposta | 0

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Domanda

butterworth maximal flat odd polynomial
Hello , I am trying to get this exression, in the book its called "maximal flat" odd polynomial i think its a butterworth polyn...

circa 7 anni fa | 0 risposte | 0

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Domanda

plotting odd chebychev polynomials as in the books example
Hello, in the attached photo from the book bellow there are several plots of chebychev odd polynomials, how can i plot P_5 or ...

circa 7 anni fa | 1 risposta | 0

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Domanda

binomial odd mode polynomial coefficients
is there a way to get these coefficients of the binomial polynomial, like shown in the photo bellow? Thanks <</matlabcentr...

circa 7 anni fa | 0 risposte | 0

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Domanda

recreating a mathematical 3D shape
Hello, I am trying to recreate a shape shown in the attached photo, from the attached article I have tried to create this shape...

circa 7 anni fa | 0 risposte | 0

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Domanda

chebyshev with sinus parameter as an input
Hello, is there a way to get an expression for P_n(sin (theta)) a chebyshev polynomial with sinus theta as an input parameter?...

circa 7 anni fa | 1 risposta | 0

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Domanda

saving as of a figure with current folder name
Hello ,how can i save my created figure with a name which involves the directory name , where the figure was created. for ex...

oltre 7 anni fa | 2 risposte | 0

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Domanda

point coordinate markers of selected points
Hello how can i present automatickly the coordinate data marker of the selected 'or' points? Thanks plot(x, y, 'g'); ...

oltre 7 anni fa | 2 risposte | 1

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Domanda

marking a points in a curve that match condition
Hello , i have a plot from two vectors X and Y how can i mark on the plot all the point in which the Y values are between 5 ...

oltre 7 anni fa | 2 risposte | 0

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Domanda

sorting a vector by another vector
Hello , my X vector looks like this 12,13,14,15,16,17,18,2,3,4,5,6,7,8,9,10,11 my Y vector looks like 2.6926,0.2879,1.93,-0....

oltre 7 anni fa | 2 risposte | 0

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Domanda

wolfram alpha operation in matlab
how can i enter an expression and get the value of the variable that creates it?(like in wolfram alpha attached photo) Thanks...

oltre 7 anni fa | 3 risposte | 0

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Domanda

picking values for multi variable function
Hello , i have a very complex function of three variable f(x,y,z), is there a way to get a tabe of all the combinations of x ,...

oltre 7 anni fa | 0 risposte | 0

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Domanda

adding a string to the file name for all files
Hello i have txt files in my folder,how can i change their file name by adding a string to the start of the file name so af old...

oltre 7 anni fa | 1 risposta | 0

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Domanda

file sorting into sub folder
Hello,inside my folder i have files in which the first the name before _0 or _1 represent the category. how could i recognize a...

oltre 7 anni fa | 1 risposta | 0

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Domanda

using a function to input names of files
i have a function that make operations on files that end with a-0 so i used dir command. sad=dir('* a-0.txt'); i want it...

oltre 7 anni fa | 1 risposta | 0

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Domanda

changing the scaling in the plot permenantly
Hello, when i plot a graph each time i manually have to change the axes scaling ,so it will show not every 5 [0,5,10] but each ...

oltre 7 anni fa | 2 risposte | 0

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Domanda

fill area between two polar curves
Hello , i have these two formulas, i would like to fill the area between these two curves is there a way to do it with patch c...

oltre 7 anni fa | 3 risposte | 2

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Domanda

conversion into cartesian formula
Hello, i have the following polar formulapresented bellow, i am trying to convert into cartesian formula, the only way i thought...

oltre 7 anni fa | 1 risposta | 0

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Domanda

bandwidth from 2D array
Hello,i have a 2D array of numbers, i need to take the peak value which always located at the same X=0 point and subtracts 3 and...

oltre 7 anni fa | 1 risposta | 0

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Domanda

array of strings into 2 number array
Hello, i have an array of 3 strings,each string is consists of two numbers spaced by tab. i would like to create a 2X3 2D array...

oltre 7 anni fa | 2 risposte | 0

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Domanda

selectivly open a file by file name
Hello ,i have 4 files in the folder,i am looking for a way so matlab will choose to open only 0_0 and 0_90 only by checking he...

oltre 7 anni fa | 1 risposta | 0

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Domanda

slicing an array of lines
Hello, i have a 1X1022 array of strings which i took from TXT file tried to put every 71'th row in separated array ,i tried ...

oltre 7 anni fa | 1 risposta | 0

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Domanda

number of rows text file
I have opened a txt file using the following code , and i see that there are 1000 lines which i can access,but length or siz...

oltre 7 anni fa | 1 risposta | 0

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