# Amy Topaz

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**Content Feed**

Question

Help for matrix in matlab

How to convert a 20*20 matrix into 20*1 matrix in matlab

1 year ago | 2 answers | 0

### 2

answersQuestion

Finding the gradient of the function

I need to find the gradient (differentiation) of the below function k1 wrt a11 for the values of z1 and plot with respect a11. ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Finding the value of the below curve

z1 = [0.00008 0.009]'; a11 = -2:0.002:2; k1 = atan(((0.02 + a11)./z1)) + atan((0.03 - a11)./z1); plot(a11,k1(1,:),'-k',a11,k1...

1 year ago | 3 answers | 0

### 3

answersQuestion

I have query in graph plotting.

I have the below function. I need to find the surface plot z1 = -4:0.002:4; a11 = -4:0.002:4; G = atan(((0.03 + a11)./z1)) +...

1 year ago | 2 answers | 0

### 2

answersQuestion

Indicating the maximum value

How to indicate the maximum value on the given curve z1 = [0.00008 0.009]'; a11 = -1:0.001:1; k1 = atan(((0.01/2 + a11)./z1...

1 year ago | 1 answer | 0

### 1

answerQuestion

Finding the value of the below curve

How to find the maximum value of the below curve: z1 = [0.00008 0.009]'; a11 = -4:0.001:4; k1 = (atan(((0.01/2 + a11)./z1) ...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to indicate the maximum value in the plotted curve in matlab?

How to indicate the maximum value of the curve in a plotted curve in matlab

1 year ago | 1 answer | 0

### 1

answerQuestion

Help regarding below question.

How to find the slope of a plotted curve in matlab?

1 year ago | 1 answer | 0

### 1

answerQuestion

Curve in matlab plotting

How to plot the curve of the below points with the y axis as ln(y) instead of y. So taking the ln values of all y1 and y2 points...

1 year ago | 1 answer | 0

### 1

answerQuestion

how to plot the curve in matlab

How to plot the curve in matlab using the given x and y points. I am looking for the 2 curves on the same plot. X Y1 Y2...

1 year ago | 1 answer | 0

### 1

answerQuestion

Help with the below question

x = -10:0.1:10; y = [1 6 0.03 0.08 10]'; A = 23 * (atan((0.005 + y)./x.^2)); B = diff(A,1,2)/0.1; plot(x(1:end-1),B') ...

1 year ago | 2 answers | 0

### 2

answersQuestion

Regarding the differentiation of function

I am trying to find the d(A)/dx and plot its value for y = 1,6,0.03,0.08,10 with respect to varying x from -10 to 10. (ii) Find...

1 year ago | 1 answer | 0

### 1

answerQuestion

Finding the below fft

I have the fft result with which I need to perform the spatial frequency distribution in (um)-1 units and plot the spatial...

1 year ago | 1 answer | 0

### 1

answerQuestion

Help with the below error

When do we get the below error in Matlab?

1 year ago | 1 answer | 0

### 1

answerQuestion

Plotting multiple graphs on the same plot

I need to plot multiple plots on the same graph for different values of z and indicate the maximum value: For z = 1, 2, 9, 77...

1 year ago | 1 answer | 0

### 1

answerQuestion

Help with the following error with quiver

I am getting the above error using the function quiver for vector field x = -4e-7:0.1e-12:4e-7; y = -4e-7:0.1e-12:4e-7; [...

1 year ago | 2 answers | 0

### 2

answersQuestion

Plotting a 3d curve between a given equation and x and y axis

Need to plot a 3d curve between Hx/Hg vs x and y Hx = (1/pi)*(arctan(((g/2 + x)/y) + arctan((g/2 - x)/y))); %x varies ...

1 year ago | 2 answers | 0

### 2

answersQuestion

What is the modification needed in the below code

Are the below code same? I am getting different results. %First scale0 = 1500; Nai = linspace(1e13,1e19,scale0); %𝑁𝑎:1×101...

1 year ago | 1 answer | 0

### 1

answerQuestion

Help needed for below error

Kindly help with the below error for the below mentioned code. All other values are constant scale1 = 100; T1 = linspace(...

1 year ago | 2 answers | 0

### 2

answersQuestion

Help needed for the below logic

I have implemented a simple logic as shown below. Can I implement the below logic without using for loop? Is it possible to do t...

1 year ago | 1 answer | 0

### 1

answerQuestion

Performing the transform on the below logic

I have the below function for which I need to perform spatial Fourier transform and plot its spatial frequency spectrum for var...

1 year ago | 1 answer | 0

### 1

answerQuestion

Query regarding for loop

I have the below logic T1 = linspace(10, 800, 10); for range1 = 1:numel(T1) a = 2*Mc*(((mde*kb*T1(range1))/(2*pi*(hbar...

1 year ago | 1 answer | 0

### 1

answerQuestion

Finding the functionality for the loop

I am new to Matlab. I am making a formula/syntax book as a part of my club activity. I was finding logics for implementing loops...

1 year ago | 1 answer | 0

### 1

answerQuestion

Help with solving an equation

I am getting an error while trying to solve the below equation (Function value at interval endpoints must differ in sign) Any...

1 year ago | 1 answer | 0

### 1

answerQuestion

matrix columns in matlab

A = 1*1000 matrix I need another matrix Y which has all the columns as A Y = 1000*1000 matrix How to do that??

1 year ago | 1 answer | 0

### 1

answerQuestion

Matrix in matlab equation

A = 1*1000 matrix I need another matrix Y which has all the rows as A Y = 1000*1000 matrix How to do that??

1 year ago | 2 answers | 0

### 2

answersQuestion

Regarding 3d plot color

I am trying to plot a 3d plot using surface function. How can I change the color of the plot?

1 year ago | 2 answers | 0

### 2

answersQuestion

Finding the spatial fourier transform of a function

Using which matlab tag could we find the fourier transform of a given function?

1 year ago | 1 answer | 0

### 1

answerQuestion

Help regarding plotting of graphs

I need to plot points from 10^1 to 10^99 with a scale of 1000. I am new to matlab. So, I know that we plot using linspace. Ho...

1 year ago | 1 answer | 0

### 1

answerQuestion

Help regarding plotting points in graph

I need points from 10^1 to 10^99 with scale as 1000 units to be plotted. How can I juse linespace to plot this??

1 year ago | 1 answer | 0