提问


trying to minimize the memory of a matrix with sparse
the meaning of the sparse function is to reduce memory usage by ignoring the zero elements inside a matrix, for some reason when...

10 years 前 | 2 个回答 | 0

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help using sparse matrix
i don't get it the resault is not as i expected: >> a=[1,2,3;4,5e-12,0;9,8,7] a = 1.0000 2.0000 3.0000 ...

10 years 前 | 0

提问


can't downsample a matrix
the downsample function downsample only the rows for example: y = 0.5377 -0.1241 -1.0689 1.0933 -2.2588 ...

10 years 前 | 1 个回答 | 0

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提问


help using sparse matrix
i have a big matrix 10e3x10e3 with small values 1e-10,1e-2,to save memory and speed i need the sparse function to not only ignor...

10 years 前 | 2 个回答 | 0

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提问


is it possible to do a numerical integration without using a for loop?
hi, as you know a "for loop" is very slow operation, as especially if it's a long loop. is it possible to do a numerical int...

10 years 前 | 2 个回答 | 0

2

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提问


using char as formula inside a script
hi, i'm trying to use this character (as seen in the code) as a formula inside a script my main goal is to use this data and to...

10 years 前 | 1 个回答 | 0

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提问


am i using while loop the right way?
my code: while size(row) > 1 [ CROP_THIS ] = remove_edges_from_matrix_function( CROP_THIS,1 ); end i want the ...

10 years 前 | 1 个回答 | 0

1

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problem using the find function
i found the problem i have been using find function the wrong way by changing the output to just one (index of matrix) the fu...

10 years 前 | 0

| 已接受

提问


problem using the find function
hi, i'm trying to use the find function to locate specific values form matrix array and to remove them (as you can see in the a...

10 years 前 | 3 个回答 | 0

3

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提问


bug on figure with pcolor and imagesc
as you can see from the attached screanshot i have this bug all the charecters are the values of the axis that i input inside t...

10 years 前 | 1 个回答 | 0

1

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提问


i need to transfer matrix coordinates in a specific order
hi i have a matrix and i need to take all the coordinates like this: new_columns=old_rows+old_columns/2 and new_rows=old_r...

10 years 前 | 1 个回答 | 0

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提问


i need to jump to the begining of the page or to the first loop in the 'end'
hi, i used the for loop as you can see in the attached image, i need to jump to the begining of the loop i searched all ov...

10 years 前 | 1 个回答 | 0

1

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提问


workspace in gui mode
hi, for some reason when i place my script inside the gui inside: function LSM_gui_OpeningFcn(hObject, eventdata, handles...

10 years 前 | 1 个回答 | 0

1

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提问


how to change variable inside a function from a gui
i need to change a value inside a function from gui. how can i do that?

10 years 前 | 1 个回答 | 0

1

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How can I plot a time frequency plot (Please see attach)?
type doc contour in the command window and use xlabel ylabel to change the labels

11 years 前 | 0

| 已接受

提问


don't know how to find the subtraction between two peaks (not manualy)
hi, i just made this program that gives me a plot with something like a sinc function. i need to find the difference between th...

11 years 前 | 1 个回答 | 0

1

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提问


how can i fill this shape?
hi i need to fill this shape but i can't the shape is made with a '*' so the fill function doesn't really help me with this a...

11 years 前 | 0 个回答 | 0

0

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提问


how can i find the lsim info for this transfer function
i'm trying to find lsim info for this transfer function, i know the code s=lsiminfo this code is like stepinfo(sys...

11 years 前 | 1 个回答 | 0

1

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提问


how to acces and change value inside transfer function inside a loop
i'm trying to change the k value from 0.1 to 7 that is inside transfer function but i have a problem i just don't know how to f...

11 years 前 | 1 个回答 | 0

1

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提问


problem inside a for loop while trying to change values inside matlab functions
please help i don't understand what am i doing wrong clear all clc kvals=0.1:0.1:7; % Change the values of k paramete...

11 years 前 | 1 个回答 | 0

1

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error while running a loop inside transfer function
please help i don't understand what am i doing wrong clear all clc kvals=0.1:0.1:7; % Change the values of k paramet...

11 years 前 | 0

提问


error while running a loop inside transfer function
i'm trying to change the value of k from to 0.1:0.1:7 and when i try this i get this error ??? Error using ==> InputOutputM...

11 years 前 | 2 个回答 | 0

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