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<p>Hello,</p>
In the <a moz-do-not-send="true"
href="https://help.scilab.org/docs/6.0.2/en_US/sysdiag.html">sysdiag()
page</a>, it is stated that sparse() can be used to build a
block-diagonal matrix:<br>
"<span style="color: rgb(0, 0, 0); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color: initial;
display: inline !important; float: none;">Beside this function,
you can also use<span> </span></span><code class="scilabcode"
style="color: rgb(0, 0, 0); font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2; text-align:
start; text-indent: 0px; text-transform: none; white-space:
normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width:
0px; text-decoration-style: initial; text-decoration-color:
initial;"><a class="scilabcommand"
href="https://help.scilab.org/docs/6.0.2/fr_FR/sparse.html"
style="color: rgb(50, 185, 185); text-decoration: underline;
font-style: normal;">sparse</a><span class="scilabopenclose"
style="font-style: normal; color: rgb(74, 85, 219);">(</span><span
class="scilabopenclose" style="font-style: normal; color:
rgb(74, 85, 219);">)</span></code><span style="color: rgb(0, 0,
0); font-size: 16px; font-style: normal; font-variant-ligatures:
normal; font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; text-decoration-style: initial;
text-decoration-color: initial; display: inline !important; float:
none;"><span> </span>primitive to build a<span> </span></span><em
style="color: rgb(0, 0, 0); font-size: 16px;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color: initial;">block
diagonal sparse matrix</em><span style="color: rgb(0, 0, 0);
font-size: 16px; font-style: normal; font-variant-ligatures:
normal; font-variant-caps: normal; font-weight: 400;
letter-spacing: normal; text-align: start; text-indent: 0px;
text-transform: none; white-space: normal; word-spacing: 0px;
-webkit-text-stroke-width: 0px; text-decoration-style: initial;
text-decoration-color: initial; display: inline !important; float:
none;">."</span><br>
<span style="color: rgb(0, 0, 0); font-size: 16px; font-style:
normal; font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; text-align: start;
text-indent: 0px; text-transform: none; white-space: normal;
word-spacing: 0px; -webkit-text-stroke-width: 0px;
text-decoration-style: initial; text-decoration-color: initial;
display: inline !important; float: none;"><br>
But i did not find any description nor example of such a feature
in </span><font face="Arial"><span style="color: rgb(0, 0, 0);
font-family: sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; text-decoration-style: initial;
text-decoration-color: initial; display: inline !important;
float: none;">the<a moz-do-not-send="true"
href="https://help.scilab.org/docs/6.0.2/en_US/sparse.html">
sparse() page</a>. <br>
I have quickly tried some "exotic" syntaxes, without result.<br>
</span></font>
<p><font face="Arial"><span style="color: rgb(0, 0, 0); font-family:
sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial; display: inline
!important; float: none;">Does anyone know if this feature
actually exists, and if so what's its syntax?</span></font></p>
<p><font face="Arial"><span style="color: rgb(0, 0, 0); font-family:
sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial; display: inline
!important; float: none;">I know that sysdiag() works also
with sparse objects.<br>
There are several issues in the sysdiag() page, and i would
like to have clear ideas about the reference to sparse.<br>
<br>
Thanks<br>
Samuel<br>
<br>
</span></font></p>
<p><font face="Arial"><span style="color: rgb(0, 0, 0); font-family:
sans-serif; font-size: 16px; font-style: normal;
font-variant-ligatures: normal; font-variant-caps: normal;
font-weight: 400; letter-spacing: normal; orphans: 2;
text-align: start; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-stroke-width: 0px; text-decoration-style:
initial; text-decoration-color: initial; display: inline
!important; float: none;"></span></font></p>
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