Paul Hoffrichter
Followers: 0 Following: 0
統計
All
Feeds
回答済み
How to return matrix in Matlab using codegen with no c++ memory allocation?
Originally, R was using the coder.nullcopy since R = (x_in' * x_in) would fill in the values. I did remove x_in which eliminate...
How to return matrix in Matlab using codegen with no c++ memory allocation?
Originally, R was using the coder.nullcopy since R = (x_in' * x_in) would fill in the values. I did remove x_in which eliminate...
2ヶ月 前 | 0
| 採用済み
質問
How to return matrix in Matlab using codegen with no c++ memory allocation?
I do not want any dynamic memory allocation to be done in the C++ codegen. Here is the relevant Matlab code: % Calculate cross-...
2ヶ月 前 | 1 件の回答 | 0
1
回答質問
Where is documentation for colon range of the form 1:vector?
I think the following code examples should result in a Matlab error and not be allowed to run. I think the code syntax should be...
1年以上 前 | 1 件の回答 | 0
1
回答質問
Why isn't low pass filter centered around zero?
I tried several MATLAB filter examples (in R2020a), but all of them appear to be off-centered. Below is example taken from https...
2年弱 前 | 1 件の回答 | 0
1
回答質問
Gfsk demodulation of signals with non constant amplitude
I have a real GFSK signal that occupies 500KHz whose center frequency could be, say 20 MHz. Not doing the diff(angle(Y)) since a...
2年弱 前 | 0 件の回答 | 0
0
回答質問
datatip gives same x value for different samples
Here is a simplified example of my problem. How can I get tooltips to show X 500000, X 500001, X 500002, etc.? Instead it shows ...
2年弱 前 | 1 件の回答 | 0
1
回答質問
How to manually move (smoothly) a set of evenly spaced xlines
In R2020a on a plot I plan on having a loop to produce 20 xlines that are 200 samples apart. (I know that in later versions, one...
2年弱 前 | 2 件の回答 | 0
2
回答回答済み
Section color no longer an option in 2021b?
When I called MathWorks about coloring of the call stack lines (above the current function) when stepping through the r2021b deb...
Section color no longer an option in 2021b?
When I called MathWorks about coloring of the call stack lines (above the current function) when stepping through the r2021b deb...
2年弱 前 | 5
質問
Find longest pattern of [1 0] in array.
I have Bits0 array of 1's and 0's. I would like to get the start/stop indices of the largest sequence of 1 0's. Actually, I expe...
約2年 前 | 1 件の回答 | 0
1
回答質問
View an .slx model without Simulink
I downloaded a free Intro SDR book from MathWorks. But the labs have .slx files. I would like to be able to view the model. I h...
約2年 前 | 0 件の回答 | 0
0
回答質問
Viewing .slx model figue without Simulink
I have Matlab R2020a and R2022a, but no Simulink. I downloaded a free Intro SDR book from MathWorks. But the labs have .slx file...
約2年 前 | 2 件の回答 | 0
2
回答質問
How to zero out short non-zero regions in vector?
For a minLength integer input value, zero out short non-zero regions. The input vector, A, typically will have long regions of ...
2年以上 前 | 1 件の回答 | 0
1
回答質問
How to create Plot button for Complex vector?
I would like to be able to highlight a complex vector in the workspace and be able to click a button to plot complex vector the ...
2年以上 前 | 2 件の回答 | 0
2
回答回答済み
[DISCONTINUED] MATLAB Answers Wish-list #5 (and bug reports)
PROJECTS is too closely coupled with Git CM Some users may want to have a limited view of the files in the Set Path folder list...
[DISCONTINUED] MATLAB Answers Wish-list #5 (and bug reports)
PROJECTS is too closely coupled with Git CM Some users may want to have a limited view of the files in the Set Path folder list...
2年以上 前 | 1
回答済み
How to assign a variable based on an equation?
Inline anonymous functions can be defined as follows: Density_equation = @(x) x^2 + 2*x + 10 T = 1000 Density = Density_equat...
How to assign a variable based on an equation?
Inline anonymous functions can be defined as follows: Density_equation = @(x) x^2 + 2*x + 10 T = 1000 Density = Density_equat...
約3年 前 | 1
回答済み
How to set the plot start to zero ? I have some measurements. On the x label, they start from 0 to 6, but from 1 I can see something change on
First of all, you should be aware that the following two expressions are equivalent: >> 1:5.12 ans = 1 2 3 4...
How to set the plot start to zero ? I have some measurements. On the x label, they start from 0 to 6, but from 1 I can see something change on
First of all, you should be aware that the following two expressions are equivalent: >> 1:5.12 ans = 1 2 3 4...
約3年 前 | 0
回答済み
How do I find the separation between the harmonics for a graph of a function sinx/x against x?
Not sure if thisis what you are looking for. x=linspace(-90,90,10000); y=sin(x)./x; figure(11) plot(x,y); axis([-90 90 -1.5...
How do I find the separation between the harmonics for a graph of a function sinx/x against x?
Not sure if thisis what you are looking for. x=linspace(-90,90,10000); y=sin(x)./x; figure(11) plot(x,y); axis([-90 90 -1.5...
約3年 前 | 0
回答済み
How create an Histogram of datas?
c = [ "3-" "0" "0+" "0-" "0+" "0" "0-" "0-" "0-" "0-" "3" "0-" "U" "3" "U" "U" "2+" "0" "1-" "2-" "3-" "1-"...
How create an Histogram of datas?
c = [ "3-" "0" "0+" "0-" "0+" "0" "0-" "0-" "0-" "0-" "3" "0-" "U" "3" "U" "U" "2+" "0" "1-" "2-" "3-" "1-"...
約3年 前 | 1
| 採用済み
回答済み
Converting a 1D antenna array to planar array in 3D space
Fc=1255e6; %/Hz Carrier frequency C=3e8;%/m/s Speed of light Lambda=C/Fc;%/m Wavelength ESepx=0.49*Lambda; %/m Element separa...
Converting a 1D antenna array to planar array in 3D space
Fc=1255e6; %/Hz Carrier frequency C=3e8;%/m/s Speed of light Lambda=C/Fc;%/m Wavelength ESepx=0.49*Lambda; %/m Element separa...
3年以上 前 | 0
| 採用済み
回答済み
How to set the plot start to zero ? I have some measurements. On the x label, they start from 0 to 6, but from 1 I can see something change on
Here is some made up data to illustrate one approach: x = [ 0 1.1 2 3.3 5.12]; y = [146 145.9 145.8 139 128; ...
How to set the plot start to zero ? I have some measurements. On the x label, they start from 0 to 6, but from 1 I can see something change on
Here is some made up data to illustrate one approach: x = [ 0 1.1 2 3.3 5.12]; y = [146 145.9 145.8 139 128; ...
3年以上 前 | 0
| 採用済み
回答済み
For loop with two conditions
>> this code where it should stop as soon as one of the conditions has met But the break just gets you out of the while loop w...
For loop with two conditions
>> this code where it should stop as soon as one of the conditions has met But the break just gets you out of the while loop w...
3年以上 前 | 1
回答済み
discrete time signal, i am not able to generate a function for the following question
Try this to fix the error: N1 = 0; N2 = 8; alpha = 0.8; figure(1) x= alpha .^ (N1:N2); plot(x)
discrete time signal, i am not able to generate a function for the following question
Try this to fix the error: N1 = 0; N2 = 8; alpha = 0.8; figure(1) x= alpha .^ (N1:N2); plot(x)
3年以上 前 | 0
回答済み
How to multiply 2 fft's with different lengths?
Is this your desired effect? [x,Fs]=audioread('hello.wav'); sound(x,Fs); T=1/Fs; disp('Wait for music to complete') pause( ...
How to multiply 2 fft's with different lengths?
Is this your desired effect? [x,Fs]=audioread('hello.wav'); sound(x,Fs); T=1/Fs; disp('Wait for music to complete') pause( ...
3年以上 前 | 0
回答済み
How can I run multiple iterations that plot on the same graph?
If you are new to Matlab programming, then you are probably used to a for-loop and you are plotting the curve in each iteration....
How can I run multiple iterations that plot on the same graph?
If you are new to Matlab programming, then you are probably used to a for-loop and you are plotting the curve in each iteration....
3年以上 前 | 0
回答済み
How to delete/cancel trailing zeros in complex and imaginary numbers?
a = 1.22000000 + 2.150000000i fprintf("%g + %gi\n", real(a), imag(a)); fprintf("%.2f + %.2fi\n", real(a), imag(a));
How to delete/cancel trailing zeros in complex and imaginary numbers?
a = 1.22000000 + 2.150000000i fprintf("%g + %gi\n", real(a), imag(a)); fprintf("%.2f + %.2fi\n", real(a), imag(a));
3年以上 前 | 0
回答済み
How do i create a large matrix with a formula?
Since you did not specify T and f, I assume you wanted symbolic notation. (I picked N = 10 to show a brief output.) N=10; n = ...
How do i create a large matrix with a formula?
Since you did not specify T and f, I assume you wanted symbolic notation. (I picked N = 10 to show a brief output.) N=10; n = ...
3年以上 前 | 0
回答済み
How to find the CUP time used by each function in my code?
If you need a profile of the relative time spent in every function when running your entire script, then while viewing the main ...
How to find the CUP time used by each function in my code?
If you need a profile of the relative time spent in every function when running your entire script, then while viewing the main ...
3年以上 前 | 0
| 採用済み
回答済み
after applying a filter -i design- to a real signal, it returns complex signal after ifft
Your imaginary part only is non-zero due to the usual floating point roundoffs and truncations. Fix this using round: signal=if...
after applying a filter -i design- to a real signal, it returns complex signal after ifft
Your imaginary part only is non-zero due to the usual floating point roundoffs and truncations. Fix this using round: signal=if...
3年以上 前 | 0
| 採用済み
回答済み
How to construct array with certain slope ?
Look at this rotation script example: https://www.mathworks.com/matlabcentral/answers/93554-how-can-i-rotate-a-set-of-points-in...
How to construct array with certain slope ?
Look at this rotation script example: https://www.mathworks.com/matlabcentral/answers/93554-how-can-i-rotate-a-set-of-points-in...
3年以上 前 | 0
回答済み
Problems with changing the order of a binary representation
NJ=4 for i = 1:2^NJ-1 struct(i,:) = fliplr(dec2bin(i,NJ)); end struct = 15×4 char array '1000' '0100' ...
Problems with changing the order of a binary representation
NJ=4 for i = 1:2^NJ-1 struct(i,:) = fliplr(dec2bin(i,NJ)); end struct = 15×4 char array '1000' '0100' ...
3年以上 前 | 0