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# Ali Kareem

Active since 2015

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Question

How to prevent Matlab from rounding small numbers to zero?
Hi, I am trying to find cross-correlation without using function xcorr The code works for large numbers. However, fo...

ongeveer 5 jaar ago | 1 answer | 0

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Question

Playing Multiple Video simultaneously in one subplot
Hello, I have four videos and I want to make a comparison. So, I want to play all videos simultaneously in one subplot. I kno...

ongeveer 5 jaar ago | 1 answer | 0

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Question

Multiple subplots with one dynamic super title using annotation
Hello, Please, I am trying to use one super title for multiple subplots. I used annotation to accomplish that. The annota...

meer dan 5 jaar ago | 1 answer | 0

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Question

Find FFT and summation in 4D matrix
Hello, Please, I have F(8*409600*3) matrix. I want to reshape it into B(8*512*3*800) matrix (each row should divide into 800 ...

meer dan 5 jaar ago | 0 answers | 0

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Question

Plotting combaine stream function
Hi; Please, I have two matrix R(100*1) and Y(100*1). I used below code to plot stream function and its work properly. I got 1...

meer dan 5 jaar ago | 0 answers | 0

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Question

Adding new circle to plot at constant frequency
Hello, I am trying to plot figures that have a circle inside it. I want to add a new circle to the figure at a constant frequ...

meer dan 5 jaar ago | 1 answer | 0

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Question

Sort 3D matrix depending on specific column
Hello, I have 3D matrix (10*10*4) and I am trying to short each slice depending on the 2 column after that and depending on c...

meer dan 5 jaar ago | 1 answer | 0

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Question

Reading multiple ascii files and generate 3D matrix
Hello I have 20 ascii files with a name (A1, A2, A3...A20) each one has 50000 row and 200 column. I am trying to import and r...

meer dan 5 jaar ago | 1 answer | 0

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Question

Generate new matrix from old matrix with specific conditions
Hello, I have matrix R(100*100) and I want to generate new matrix A(100*100) as below conditions If I have a frequency to ...

meer dan 5 jaar ago | 1 answer | 0

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Question

Extract data from structure and change it to Numerical matrix
Hi, I have 100 .xlsx files. Each file has 100*100 (row*column).I used blow code to read them. clear; clc; M= 100;...

meer dan 5 jaar ago | 2 answers | 0

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Question

Making movie from images
Hello. Please,I have a folder with a name (Photos) and it is containing four subfolders with names (Order1,Order2,Order3,Orde...

meer dan 5 jaar ago | 1 answer | 0

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Question

How to plote Data with Jump condition?
Hi, I am trying to plot data. The problem I have jump condition in that data. I searched to find any way to do that but I can...

bijna 6 jaar ago | 1 answer | 0

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Question

Plot a animated streamline with a stream function
Hi, I am trying to plot animated streamline with a stream function. I used below code and its work and plot the function but...

bijna 6 jaar ago | 0 answers | 0

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Question

Find and draw max. and min values of function.
Hi, I am trying to find max. and min values for below function and draw it but I got wrong results. I do not know why? fo...

bijna 6 jaar ago | 1 answer | 0

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Question

Save output matrix to .dat file
Hi, How I can save my output result Matrix (100*100) to .dat file

ongeveer 6 jaar ago | 1 answer | 0

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Question

Change name of a graph inside loop automatically.
Hi, I have a loop from one to ten. for each loop I got graph. My question is can I change the name of graph automatically? ...

ongeveer 6 jaar ago | 1 answer | 0

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Question

Saving Imported Data automatically
Hi, I am using below code to import data from .dat and .xlsx files. How I can save the imported data in two matrices. I mean ...

ongeveer 6 jaar ago | 1 answer | 0

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Question

Requesting message to user for importing data using GUI
Hi, I have results from many experiments. Each experiment has two data files (.dat and .xlsx). my problem each time I need to...

ongeveer 6 jaar ago | 1 answer | 0

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Question

plot (X^2/cosh^2(v))+(y^2/sinh^2(v))=1
Hi, How I can plot this function as v= constant such as for v=0,pi/2,and pi (X^2/cosh^2(v))+(y^2/sinh^2(v))=1 Tha...

ongeveer 6 jaar ago | 2 answers | 0

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Question

Import and read more than one .dat file using (for) loop
Hi, How I can import (using importdata command) then read more than one .dat file using (for) loop For example I have ten ...

ongeveer 6 jaar ago | 1 answer | 0

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Question

Find mean and mean square root of each row in matrix without first row and column
Hi, How I can find mean and mean square root of 10*10 matrix for each row in matrix and save them in matrix C(:,1) without in...

ongeveer 6 jaar ago | 1 answer | 0

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Question

solve system of equations (find the constants with respect to variable)
Hi, I have four equations with four constants (a,b,c,d). how I can find values of the constant (a,b,c,d) with respect to x,y,...

ongeveer 6 jaar ago | 1 answer | 0

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Question

Plot points without connect it
Hi I have matrix A(20,100) and I want to plot first column with respect to second column but I do not want to connect the poi...

ongeveer 6 jaar ago | 3 answers | 0

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Question

Hi I read two matrices A=B=20*100 from CSV file then I try to add them together and I failed I used C=A+B and I use loop but...

ongeveer 6 jaar ago | 1 answer | 0

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Question

Three Loops with summation
Greeting, I have matrix Z(30,70) and it repeated for 40 times each time there will be new value for each cell. This means for...

ongeveer 6 jaar ago | 2 answers | 0

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Question

summation of valuse in nested loops
Hello, I have three nested loop (I change from 1-10, J change from 1-20 and K change from 1-100) I saved the result from J,K...

ongeveer 6 jaar ago | 1 answer | 0

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Question

Find a mean square root velocity of each row in matrix
I have A 100 by 20 matrix and I want to find a mean square root velocity of each row and divided by a constant C then return the...

ongeveer 6 jaar ago | 2 answers | 0