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NAG[f16qhc] NAG[nag_dge_load] - Matrix initialization, real rectangular matrix
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Calling Sequence
f16qhc(alpha, diag, a, 'm'=m, 'n'=n, 'fail'=fail)
nag_dge_load(. . .)
Parameters
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alpha - float;
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On entry: the value,  , to be assigned to the off-diagonal elements of  .
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diag - float;
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On entry: the value,  , to be assigned to the diagonal elements of  .
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a - Matrix(1..dim1, 1..dim2, datatype=float[8], order=order);
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Note: this array may be supplied in Fortran_order or C_order , as specified by order. All array parameters must use a consistent order.
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'm'=m - integer; (optional)
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Default value: the first dimension of the array a.
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On entry:  , the number of rows of the matrix  .
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Constraint:  . .
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'n'=n - integer; (optional)
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Default value: the second dimension of the array a.
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On entry:  , the number of columns of the matrix  .
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Constraint:  . .
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'fail'=fail - table; (optional)
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The NAG error argument, see the documentation for NagError.
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Description
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Purpose
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nag_dge_load (f16qhc) initializes a real general matrix.
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Description
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nag_dge_load (f16qhc) forms the real  by  general matrix  given by
![a[i*j] = piecewise(i = j, d, i <> j, alpha)](/support/helpjp/helpview.aspx?si=10280/file08334/math136.png)
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Error Indicators and Warnings
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"NE_BAD_PARAM"
On entry, argument  had an illegal value.
"NE_INT"
On entry,  . Constraint:  .
On entry,  . Constraint:  .
"NE_INTERNAL_ERROR"
An internal error has occurred in this function. Check the function call and any array sizes. If the call is correct then please consult NAG for assistance.
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Examples
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alpha := 1.0:
diag := 0.1:
a := Matrix(3,3,datatype=float[8]):
NAG:-f16qhc(alpha, diag, a):
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