Answered

Low pass filtering in frequency domain

fft(x) usually returns a complex value. X_Mag = abs(fft(x)); - from here you are losing the information about the real and imagi...

Low pass filtering in frequency domain

fft(x) usually returns a complex value. X_Mag = abs(fft(x)); - from here you are losing the information about the real and imagi...

meer dan 3 jaar ago | 0

Answered

Need help plotting multiple graphs in one UIAxes

Your if-statement is returning only one option. Try the following way: function GraphbButtonPushed(app, event) x =...

Need help plotting multiple graphs in one UIAxes

Your if-statement is returning only one option. Try the following way: function GraphbButtonPushed(app, event) x =...

meer dan 3 jaar ago | 0

| accepted

Answered

I am trying to create a surface plot with nested loops and am getting the error "Z must be a matrix, not a scalar or vector."

Try something like the following (z must be a matrix): for m = 1:10 x(m) = m; for n = 1:10 y(n) = n; ...

I am trying to create a surface plot with nested loops and am getting the error "Z must be a matrix, not a scalar or vector."

Try something like the following (z must be a matrix): for m = 1:10 x(m) = m; for n = 1:10 y(n) = n; ...

meer dan 3 jaar ago | 1

| accepted

Question

Is there the more elegant way to do this?

I would like to call arguments of function from a string or cell array. For example, this code works as I want: function te...

bijna 9 jaar ago | 2 answers | 0

Question

Why Matlab is not changing the name of the GUI window?

The names of my fig-file and main m-file are, for example, |'Version15.fig'| and |'Version15.m'| , however, after executing thos...

bijna 9 jaar ago | 2 answers | 0

Answered

How to read complex number from a *.csv file?

https://www.mathworks.co.uk/matlabcentral/newsreader/view_thread/239213 http://smallbusiness.chron.com/read-csv-matlab-50663....

How to read complex number from a *.csv file?

https://www.mathworks.co.uk/matlabcentral/newsreader/view_thread/239213 http://smallbusiness.chron.com/read-csv-matlab-50663....

bijna 9 jaar ago | 0

Solved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

bijna 9 jaar ago

Solved

Column Removal

Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

bijna 9 jaar ago

Solved

Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

bijna 9 jaar ago

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

bijna 9 jaar ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

bijna 9 jaar ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

bijna 9 jaar ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

bijna 9 jaar ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

bijna 9 jaar ago

Answered

How to display fit equation on plot?

txt1='b*x^m'; yL=get(gca,'YLim'); xL=get(gca,'XLim'); text((xL(1)+xL(2))/2,yL(2),txt1,... 'HorizontalA...

How to display fit equation on plot?

txt1='b*x^m'; yL=get(gca,'YLim'); xL=get(gca,'XLim'); text((xL(1)+xL(2))/2,yL(2),txt1,... 'HorizontalA...

ongeveer 9 jaar ago | 0

Answered

maximum response of an image

You can try a simple code like this: A=[1,2,3; 6,5,2; 4,3,2]; B=[4 ,1,3; 2,7,1 1,2,4]; C=A...

maximum response of an image

You can try a simple code like this: A=[1,2,3; 6,5,2; 4,3,2]; B=[4 ,1,3; 2,7,1 1,2,4]; C=A...

ongeveer 9 jaar ago | 1

Answered

How do I Interpolate on an array

X1=X(Y>=-350); distance=X1(end)-X1(1); if precision is not good enough you can interpolate the curve before this

How do I Interpolate on an array

X1=X(Y>=-350); distance=X1(end)-X1(1); if precision is not good enough you can interpolate the curve before this

ongeveer 9 jaar ago | 0

| accepted

Answered

How to put (tab delimited) text files together removing header text?

you can use this algorithm: fid1=fopen('fileName1','w');%open output file to write headers fprintf(fid1,formatSpec,H1,H2...

How to put (tab delimited) text files together removing header text?

you can use this algorithm: fid1=fopen('fileName1','w');%open output file to write headers fprintf(fid1,formatSpec,H1,H2...

ongeveer 9 jaar ago | 0

Answered

Interpolation of an array of values

Do you mean something like this? A = {[3 5 8 9 1 4]; [1 6 9 2 5]; [6 7 8 9 10 12]; [2 5 1 3 4...

Interpolation of an array of values

Do you mean something like this? A = {[3 5 8 9 1 4]; [1 6 9 2 5]; [6 7 8 9 10 12]; [2 5 1 3 4...

ongeveer 9 jaar ago | 1

| accepted

Question

how to switch YLim from auto to manual using contextmenu

The following code works OK, switching y limit in Fig3_axes. plot_into3=handles.Fig3_axes; ylim_menu = uicontex...

bijna 10 jaar ago | 1 answer | 0

Answered

MATLAB Answers Wish-list #2 (and bug reports)

I wish that questioner could have possibility to change his mind about his(her) acceptance decision. At least for a certain peri...

MATLAB Answers Wish-list #2 (and bug reports)

I wish that questioner could have possibility to change his mind about his(her) acceptance decision. At least for a certain peri...

bijna 10 jaar ago | 1

Question

Is there any other way to do the job without using eval?

Matlab experts say ' eval is evil'. I use eval in the case when I read Edit Text data in GUI and str2double is not applicab...

bijna 10 jaar ago | 2 answers | 1

Question

switch from GUI axes to figure() and back

I want to plot my graph either in GUI axes or in a separate figure As Walter recommended ( <http://www.mathworks.com/matlabcent...

meer dan 10 jaar ago | 1 answer | 0

Question

Matlab cannot read data from a file which is saved as a text-file from Excel

I am not able to load data from a file which was saved as a text-file from MS Excel. textscan and load return an empty matrix...

meer dan 10 jaar ago | 1 answer | 0

Answered

Switch -- How to specify interval of cases?

switch i case num2cell(1:100) statement case num2cell(101:200) statement end

Switch -- How to specify interval of cases?

switch i case num2cell(1:100) statement case num2cell(101:200) statement end

meer dan 10 jaar ago | 4

| accepted