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The Maxima on-line user's manual

Algebra Calculator

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Read_array

Function: read_array (<S>, <A>)

array (A, 2, 3);
read_array (file_search ("array.data"), A, comma);
arraylist (A);
A;
read_hashed_array (file_search ("array.data"), B, comma);
arraylist (B);
B[Schmidt];

Function: read_array (<S>, <A>, <separator_flag>) Reads the source <S> into the array <A>, until <A> is full or the source is exhausted. Input data are read into the array in row-major order; the input need not conform to the dimensions of <A>.

The source <S> may be a file name or a stream.

The recognized values of <separator_flag> are comma, pipe, semicolon, and space. If <separator_flag> is not specified, the file is assumed space-delimited.

(%o1)                                true
(%i2) 

Related Examples

array-arrayinfo-listarray-pi

array (aa, 2, 3);

aa [2, 3] : %pi;

aa [1, 2] : %e;

Calculate

array

array(T, 901);

Calculate

array-pi

x: [a, b, c];

x[3];

array (y, fixnum, 3);

Calculate

array-do-if-listarray-plot2d-sin
plot2d([f,[discrete,pointx,pointy],[discrete,rx,ry]],[x,0,6.28],[style,lines,points,points],[point_type,diamond,circle],[legend,"sin(x)","",""]);

array([rs,rsy],float,5);

i:0;

n:200;

Calculate

array-do-if-listarray-plot2d-sin
plot2d([f,[discrete,pointx,pointy],[discrete,rx,ry]],[x,0,6.28],[style,lines,points,points],[point_type,circle,diamond],[legend,"sin(x)","",""]);

m:4;

array([rs,rsy],float,m);

i:0;

Calculate

array-cos-do-load

load(fft);

y(t):=cos(2*%pi*10*t);

array(ra, float, 31);

Calculate

array-disp-do

array( E,1000);

array(F,1000);

E[0]:0;

Calculate

array-listarray-pi

array (aa, 2, 3);

aa [2, 3] : %pi;

aa [1, 2] : %e;

Calculate